397366165 has 16 divisors (see below), whose sum is σ = 546537600. Its totient is φ = 271690560.

The previous prime is 397366117. The next prime is 397366181. The reversal of 397366165 is 561663793.

It is not a de Polignac number, because 397366165 - 2⁷ = 397366037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4051 + ... + 28480.

It is an arithmetic number, because the mean of its divisors is an integer number (34158600).

Almost surely, 2^397366165 is an apocalyptic number.

397366165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

397366165 is a deficient number, since it is larger than the sum of its proper divisors (149171435).

397366165 is a wasteful number, since it uses less digits than its factorization.

397366165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32892.

The product of its digits is 612360, while the sum is 46.

The square root of 397366165 is about 19934.0453746850. The cubic root of 397366165 is about 735.1855486629.

The spelling of 397366165 in words is "three hundred ninety-seven million, three hundred sixty-six thousand, one hundred sixty-five".