3622406436 has 144 divisors (see below), whose sum is σ = 10458040320. Its totient is φ = 1046485440.

The previous prime is 3622406407. The next prime is 3622406467. The reversal of 3622406436 is 6346042263.

3622406436 is a `hidden beast` number, since 3 + 6 + 2 + 2 + 4 + 0 + 643 + 6 = 666.

3622406436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3622406436.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4216575 + ... + 4217433.

It is an arithmetic number, because the mean of its divisors is an integer number (72625280).

Almost surely, 2^3622406436 is an apocalyptic number.

3622406436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3622406436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5229020160).

3622406436 is an abundant number, since it is smaller than the sum of its proper divisors (6835633884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3622406436 is a wasteful number, since it uses less digits than its factorization.

3622406436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The square root of 3622406436 is about 60186.4306633979. The cubic root of 3622406436 is about 1535.7919691000.

Adding to 3622406436 its reverse (6346042263), we get a palindrome (9968448699).

The spelling of 3622406436 in words is "three billion, six hundred twenty-two million, four hundred six thousand, four hundred thirty-six".