567638397 has 12 divisors (see below), whose sum is σ = 831471264. Its totient is φ = 373095240.

The previous prime is 567638389. The next prime is 567638441. The reversal of 567638397 is 793836765.

It is not a de Polignac number, because 567638397 - 2³ = 567638389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (567638387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443523 + ... + 444800.

It is an arithmetic number, because the mean of its divisors is an integer number (69289272).

Almost surely, 2^567638397 is an apocalyptic number.

It is an amenable number.

567638397 is a deficient number, since it is larger than the sum of its proper divisors (263832867).

567638397 is a wasteful number, since it uses less digits than its factorization.

567638397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888400 (or 888397 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 567638397 is about 23825.1631054228. The cubic root of 567638397 is about 827.9877693706.

The spelling of 567638397 in words is "five hundred sixty-seven million, six hundred thirty-eight thousand, three hundred ninety-seven".