3245991216 has 40 divisors (see below), whose sum is σ = 9030515760. Its totient is φ = 998766336.

The previous prime is 3245991139. The next prime is 3245991223. The reversal of 3245991216 is 6121995423.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600331 + ... + 2601578.

It is an arithmetic number, because the mean of its divisors is an integer number (225762894).

Almost surely, 2^3245991216 is an apocalyptic number.

It is an amenable number.

3245991216 is an abundant number, since it is smaller than the sum of its proper divisors (5784524544).

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

3245991216 is a wasteful number, since it uses less digits than its factorization.

3245991216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201933 (or 5201927 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 3245991216 is about 56973.6010446944. The cubic root of 3245991216 is about 1480.6387576347.

The spelling of 3245991216 in words is "three billion, two hundred forty-five million, nine hundred ninety-one thousand, two hundred sixteen".