397693468 has 12 divisors (see below), whose sum is σ = 701277192. Its totient is φ = 197328560.

The previous prime is 397693411. The next prime is 397693469. The reversal of 397693468 is 864396793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397693469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378955 + ... + 380002.

It is an arithmetic number, because the mean of its divisors is an integer number (58439766).

Almost surely, 2^397693468 is an apocalyptic number.

It is an amenable number.

397693468 is a deficient number, since it is larger than the sum of its proper divisors (303583724).

397693468 is a wasteful number, since it uses less digits than its factorization.

397693468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759092 (or 759090 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 55.

The square root of 397693468 is about 19942.2533330614. The cubic root of 397693468 is about 735.3873460813.

It can be divided in two parts, 397693 and 468, that added together give a square (398161 = 631²).

The spelling of 397693468 in words is "three hundred ninety-seven million, six hundred ninety-three thousand, four hundred sixty-eight".