397755 has 12 divisors (see below), whose sum is σ = 689520. Its totient is φ = 212112.

The previous prime is 397753. The next prime is 397757. The reversal of 397755 is 557793.

It is an interprime number because it is at equal distance from previous prime (397753) and next prime (397757).

It is not a de Polignac number, because 397755 - 2¹ = 397753 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 397755.

It is not an unprimeable number, because it can be changed into a prime (397751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4375 + ... + 4464.

It is an arithmetic number, because the mean of its divisors is an integer number (57460).

2³⁹⁷⁷⁵⁵ is an apocalyptic number.

397755 is a deficient number, since it is larger than the sum of its proper divisors (291765).

397755 is a wasteful number, since it uses less digits than its factorization.

397755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850 (or 8847 counting only the distinct ones).

The product of its digits is 33075, while the sum is 36.

The square root of 397755 is about 630.6782063779. The cubic root of 397755 is about 73.5425271036.

The spelling of 397755 in words is "three hundred ninety-seven thousand, seven hundred fifty-five".