396880874 has 12 divisors (see below), whose sum is σ = 641279394. Its totient is φ = 183128904.

The previous prime is 396880867. The next prime is 396880889. The reversal of 396880874 is 478088693.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 381616225 + 15264649 = 19535^2 + 3907^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99629 + ... + 103535.

Almost surely, 2^396880874 is an apocalyptic number.

396880874 is a deficient number, since it is larger than the sum of its proper divisors (244398520).

396880874 is an frugal number, since it uses more digits than its factorization.

396880874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829 (or 3922 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 396880874 is about 19921.8692396070. The cubic root of 396880874 is about 734.8861402908.

The spelling of 396880874 in words is "three hundred ninety-six million, eight hundred eighty thousand, eight hundred seventy-four".