396174388 has 12 divisors (see below), whose sum is σ = 693578340. Its totient is φ = 198009152.

The previous prime is 396174367. The next prime is 396174397. The reversal of 396174388 is 883471693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 182196004 + 213978384 = 13498^2 + 14628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7231 + ... + 29062.

It is an arithmetic number, because the mean of its divisors is an integer number (57798195).

Almost surely, 2^396174388 is an apocalyptic number.

It is an amenable number.

396174388 is a deficient number, since it is larger than the sum of its proper divisors (297403952).

396174388 is a wasteful number, since it uses less digits than its factorization.

396174388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39026 (or 39024 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 396174388 is about 19904.1299232094. The cubic root of 396174388 is about 734.4498253693.

The spelling of 396174388 in words is "three hundred ninety-six million, one hundred seventy-four thousand, three hundred eighty-eight".