396775090 has 16 divisors (see below), whose sum is σ = 714722688. Its totient is φ = 158592816.

The previous prime is 396775037. The next prime is 396775097. The reversal of 396775090 is 90577693.

It is a self number, because there is not a number n which added to its sum of digits gives 396775090.

It is not an unprimeable number, because it can be changed into a prime (396775097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289 + ... + 28171.

It is an arithmetic number, because the mean of its divisors is an integer number (44670168).

Almost surely, 2^396775090 is an apocalyptic number.

396775090 is a deficient number, since it is larger than the sum of its proper divisors (317947598).

396775090 is a wasteful number, since it uses less digits than its factorization.

396775090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29313.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 396775090 is about 19919.2140909224. The cubic root of 396775090 is about 734.8208426928.

The spelling of 396775090 in words is "three hundred ninety-six million, seven hundred seventy-five thousand, ninety".