397362775 has 24 divisors (see below), whose sum is σ = 508561200. Its totient is φ = 307795200.

The previous prime is 397362767. The next prime is 397362781. The reversal of 397362775 is 577263793.

It is not a de Polignac number, because 397362775 - 2³ = 397362767 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141081 + ... + 143869.

It is an arithmetic number, because the mean of its divisors is an integer number (21190050).

Almost surely, 2^397362775 is an apocalyptic number.

397362775 is a deficient number, since it is larger than the sum of its proper divisors (111198425).

397362775 is a wasteful number, since it uses less digits than its factorization.

397362775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2974 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 49.

The square root of 397362775 is about 19933.9603440962. The cubic root of 397362775 is about 735.1834579916.

The spelling of 397362775 in words is "three hundred ninety-seven million, three hundred sixty-two thousand, seven hundred seventy-five".