397056135 has 64 divisors (see below), whose sum is σ = 746496000. Its totient is φ = 176472192.

The previous prime is 397056113. The next prime is 397056151. The reversal of 397056135 is 531650793.

It is not a de Polignac number, because 397056135 - 2⁶ = 397056071 is a prime.

It is a super-2 number, since 2×397056135² = 315307148682276450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397056093 and 397056102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 662566 + ... + 663164.

It is an arithmetic number, because the mean of its divisors is an integer number (11664000).

Almost surely, 2^397056135 is an apocalyptic number.

397056135 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

397056135 is a deficient number, since it is larger than the sum of its proper divisors (349439865).

397056135 is a wasteful number, since it uses less digits than its factorization.

397056135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 85050, while the sum is 39.

The square root of 397056135 is about 19926.2674628240. The cubic root of 397056135 is about 734.9942986276.

The spelling of 397056135 in words is "three hundred ninety-seven million, fifty-six thousand, one hundred thirty-five".