396742708 has 6 divisors (see below), whose sum is σ = 694299746. Its totient is φ = 198371352.

The previous prime is 396742673. The next prime is 396742721. The reversal of 396742708 is 807247693.

It can be written as a sum of positive squares in only one way, i.e., 395134884 + 1607824 = 19878^2 + 1268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49592835 + ... + 49592842.

Almost surely, 2^396742708 is an apocalyptic number.

It is an amenable number.

396742708 is a deficient number, since it is larger than the sum of its proper divisors (297557038).

396742708 is a wasteful number, since it uses less digits than its factorization.

396742708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99185681 (or 99185679 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 396742708 is about 19918.4012410635. The cubic root of 396742708 is about 734.8008518411.

The spelling of 396742708 in words is "three hundred ninety-six million, seven hundred forty-two thousand, seven hundred eight".