397275267 has 8 divisors (see below), whose sum is σ = 536082624. Its totient is φ = 261659048.

The previous prime is 397275247. The next prime is 397275283. The reversal of 397275267 is 762572793.

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

It is a cyclic number.

It is not a de Polignac number, because 397275267 - 2⁷ = 397275139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397275217) 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, 797493 + ... + 797990.

It is an arithmetic number, because the mean of its divisors is an integer number (67010328).

Almost surely, 2^397275267 is an apocalyptic number.

397275267 is a deficient number, since it is larger than the sum of its proper divisors (138807357).

397275267 is a wasteful number, since it uses less digits than its factorization.

397275267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595569.

The product of its digits is 1111320, while the sum is 48.

The square root of 397275267 is about 19931.7652755595. The cubic root of 397275267 is about 735.1294861877.

The spelling of 397275267 in words is "three hundred ninety-seven million, two hundred seventy-five thousand, two hundred sixty-seven".