396920708 has 24 divisors (see below), whose sum is σ = 703418520. Its totient is φ = 195955200.

The previous prime is 396920701. The next prime is 396920731. The reversal of 396920708 is 807029693.

It can be written as a sum of positive squares in 4 ways, for example, as 12054784 + 384865924 = 3472^2 + 19618^2 .

It is not an unprimeable number, because it can be changed into a prime (396920701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173798 + ... + 176066.

It is an arithmetic number, because the mean of its divisors is an integer number (29309105).

Almost surely, 2^396920708 is an apocalyptic number.

It is an amenable number.

396920708 is a deficient number, since it is larger than the sum of its proper divisors (306497812).

396920708 is a wasteful number, since it uses less digits than its factorization.

396920708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2805 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 396920708 is about 19922.8689701057. The cubic root of 396920708 is about 734.9107257329.

The spelling of 396920708 in words is "three hundred ninety-six million, nine hundred twenty thousand, seven hundred eight".