3206623420 has 144 divisors (see below), whose sum is σ = 9110453184. Its totient is φ = 922521600.

The previous prime is 3206623393. The next prime is 3206623429. The reversal of 3206623420 is 243266023.

3206623420 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 (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3206623429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212940 + ... + 227500.

It is an arithmetic number, because the mean of its divisors is an integer number (63267036).

Almost surely, 2^3206623420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3206623420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4555226592).

3206623420 is an abundant number, since it is smaller than the sum of its proper divisors (5903829764).

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

3206623420 is a wasteful number, since it uses less digits than its factorization.

3206623420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14612 (or 14599 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 3206623420 is about 56627.0555476797. The cubic root of 3206623420 is about 1474.6286024604.

Adding to 3206623420 its reverse (243266023), we get a palindrome (3449889443).

It can be divided in two parts, 3206 and 623420, that added together give a palindrome (626626).

The spelling of 3206623420 in words is "three billion, two hundred six million, six hundred twenty-three thousand, four hundred twenty".