397254654 has 24 divisors (see below), whose sum is σ = 861098472. Its totient is φ = 132359760.

The previous prime is 397254647. The next prime is 397254703. The reversal of 397254654 is 456452793.

397254654 is a `hidden beast` number, since 39 + 72 + 546 + 5 + 4 = 666.

It is a super-2 number, since 2×397254654² = 315622520249319432, 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 11 ways as a sum of consecutive naturals, for example, 61377 + ... + 67539.

It is an arithmetic number, because the mean of its divisors is an integer number (35879103).

Almost surely, 2^397254654 is an apocalyptic number.

397254654 is an abundant number, since it is smaller than the sum of its proper divisors (463843818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397254654 is a wasteful number, since it uses less digits than its factorization.

397254654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752 (or 9749 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 397254654 is about 19931.2481796801. The cubic root of 397254654 is about 735.1167716734.

The spelling of 397254654 in words is "three hundred ninety-seven million, two hundred fifty-four thousand, six hundred fifty-four".