397266351 has 8 divisors (see below), whose sum is σ = 531207600. Its totient is φ = 264084672.

The previous prime is 397266349. The next prime is 397266361. The reversal of 397266351 is 153662793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 397266351 - 2¹ = 397266349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397266341) 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, 188670 + ... + 190763.

It is an arithmetic number, because the mean of its divisors is an integer number (66400950).

Almost surely, 2^397266351 is an apocalyptic number.

397266351 is a deficient number, since it is larger than the sum of its proper divisors (133941249).

397266351 is a wasteful number, since it uses less digits than its factorization.

397266351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379785.

The product of its digits is 204120, while the sum is 42.

The square root of 397266351 is about 19931.5416112252. The cubic root of 397266351 is about 735.1239866730.

The spelling of 397266351 in words is "three hundred ninety-seven million, two hundred sixty-six thousand, three hundred fifty-one".