3321870912 has 70 divisors (see below), whose sum is σ = 9847081398. Its totient is φ = 1107288576.

The previous prime is 3321870857. The next prime is 3321870919. The reversal of 3321870912 is 2190781233.

It can be written as a sum of positive squares in only one way, i.e., 3097590336 + 224280576 = 55656^2 + 14976^2 .

It is a super-2 number, since 2×3321870912² = 22069652711983423488, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3321870919) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 315213 + ... + 325580.

Almost surely, 2^3321870912 is an apocalyptic number.

3321870912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3321870912 is an abundant number, since it is smaller than the sum of its proper divisors (6525210486).

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

3321870912 is an equidigital number, since it uses as much as digits as its factorization.

3321870912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640817 (or 640798 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 3321870912 is about 57635.6739528567. The cubic root of 3321870912 is about 1492.0873574527.

The spelling of 3321870912 in words is "three billion, three hundred twenty-one million, eight hundred seventy thousand, nine hundred twelve".