396775574 has 16 divisors (see below), whose sum is σ = 641729088. Its totient is φ = 182903232.

The previous prime is 396775523. The next prime is 396775591. The reversal of 396775574 is 475577693.

It is a super-2 number, since 2×396775574² = 314861712246058952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13379 + ... + 31185.

It is an arithmetic number, because the mean of its divisors is an integer number (40108068).

Almost surely, 2^396775574 is an apocalyptic number.

396775574 is a deficient number, since it is larger than the sum of its proper divisors (244953514).

396775574 is a wasteful number, since it uses less digits than its factorization.

396775574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18679.

The product of its digits is 5556600, while the sum is 53.

The square root of 396775574 is about 19919.2262399924. The cubic root of 396775574 is about 734.8211414793.

The spelling of 396775574 in words is "three hundred ninety-six million, seven hundred seventy-five thousand, five hundred seventy-four".