3208995904 has 63 divisors (see below), whose sum is σ = 6523522767. Its totient is φ = 1566203904.

The previous prime is 3208995901. The next prime is 3208995917. The reversal of 3208995904 is 4095998023.

The square root of 3208995904 is 56648.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 906304 + 3208089600 = 952^2 + 56640^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3208995901) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33082384 + ... + 33082480.

Almost surely, 2^3208995904 is an apocalyptic number.

3208995904 is the 56648-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3208995904

3208995904 is an abundant number, since it is smaller than the sum of its proper divisors (3314526863).

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

3208995904 is an frugal number, since it uses more digits than its factorization.

3208995904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The cubic root of 3208995904 is about 1474.9921905552.

Multiplying 3208995904 by its sum of digits (49), we get a square (157240799296 = 396536²).

The spelling of 3208995904 in words is "three billion, two hundred eight million, nine hundred ninety-five thousand, nine hundred four".