3421817388 has 144 divisors (see below), whose sum is σ = 10013552640. Its totient is φ = 974332800.

The previous prime is 3421817383. The next prime is 3421817389. The reversal of 3421817388 is 8837181243.

3421817388 is a `hidden beast` number, since 3 + 421 + 81 + 73 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (3421817383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 953758 + ... + 957338.

It is an arithmetic number, because the mean of its divisors is an integer number (69538560).

Almost surely, 2^3421817388 is an apocalyptic number.

3421817388 is a gapful number since it is divisible by the number (38) 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 3421817388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5006776320).

3421817388 is an abundant number, since it is smaller than the sum of its proper divisors (6591735252).

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

3421817388 is a wasteful number, since it uses less digits than its factorization.

3421817388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 3743 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 3421817388 is about 58496.3023446782. The cubic root of 3421817388 is about 1506.9040830041.

The spelling of 3421817388 in words is "three billion, four hundred twenty-one million, eight hundred seventeen thousand, three hundred eighty-eight".