397398527 has 8 divisors (see below), whose sum is σ = 407650320. Its totient is φ = 387173440.

The previous prime is 397398499. The next prime is 397398581. The reversal of 397398527 is 725893793.

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 397398527 - 2¹⁰ = 397397503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397398227) 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, 25424 + ... + 37962.

It is an arithmetic number, because the mean of its divisors is an integer number (50956290).

Almost surely, 2^397398527 is an apocalyptic number.

397398527 is a deficient number, since it is larger than the sum of its proper divisors (10251793).

397398527 is a wasteful number, since it uses less digits than its factorization.

397398527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353.

The product of its digits is 2857680, while the sum is 53.

The square root of 397398527 is about 19934.8570850157. The cubic root of 397398527 is about 735.2055062662.

The spelling of 397398527 in words is "three hundred ninety-seven million, three hundred ninety-eight thousand, five hundred twenty-seven".