3279644416 has 36 divisors (see below), whose sum is σ = 6891039400. Its totient is φ = 1553513472.

The previous prime is 3279644371. The next prime is 3279644419. The reversal of 3279644416 is 6144469723.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3279644419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332271 + ... + 341998.

Almost surely, 2^3279644416 is an apocalyptic number.

It is an amenable number.

3279644416 is an abundant number, since it is smaller than the sum of its proper divisors (3611394984).

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

3279644416 is an equidigital number, since it uses as much as digits as its factorization.

3279644416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674304 (or 674290 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 3279644416 is about 57268.1797859859. The cubic root of 3279644416 is about 1485.7380749079.

The spelling of 3279644416 in words is "three billion, two hundred seventy-nine million, six hundred forty-four thousand, four hundred sixteen".