3909321408 has 56 divisors (see below), whose sum is σ = 10793138688. Its totient is φ = 1246448896.

The previous prime is 3909321407. The next prime is 3909321439. The reversal of 3909321408 is 8041239093.

It is not an unprimeable number, because it can be changed into a prime (3909321401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438216 + ... + 447047.

Almost surely, 2^3909321408 is an apocalyptic number.

It is an amenable number.

3909321408 is an abundant number, since it is smaller than the sum of its proper divisors (6883817280).

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

3909321408 is a wasteful number, since it uses less digits than its factorization.

3909321408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885301 (or 885291 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 3909321408 is about 62524.5664359218. The cubic root of 3909321408 is about 1575.3139756010.

The spelling of 3909321408 in words is "three billion, nine hundred nine million, three hundred twenty-one thousand, four hundred eight".