396071056 has 10 divisors (see below), whose sum is σ = 767387702. Its totient is φ = 198035520.

The previous prime is 396071023. The next prime is 396071057. The reversal of 396071056 is 650170693.

It can be written as a sum of positive squares in only one way, i.e., 310323456 + 85747600 = 17616^2 + 9260^2 .

It is not an unprimeable number, because it can be changed into a prime (396071057) 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 as a sum of consecutive naturals, namely, 12377205 + ... + 12377236.

Almost surely, 2^396071056 is an apocalyptic number.

It is an amenable number.

396071056 is a deficient number, since it is larger than the sum of its proper divisors (371316646).

396071056 is a wasteful number, since it uses less digits than its factorization.

396071056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24754449 (or 24754443 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 396071056 is about 19901.5340112264. The cubic root of 396071056 is about 734.3859656392.

The spelling of 396071056 in words is "three hundred ninety-six million, seventy-one thousand, fifty-six".