920183397 has 24 divisors (see below), whose sum is σ = 1428854112. Its totient is φ = 525218400.

The previous prime is 920183393. The next prime is 920183399. The reversal of 920183397 is 793381029.

It is not a de Polignac number, because 920183397 - 2² = 920183393 is a prime.

It is a super-2 number, since 2×920183397² = 1693474968228919218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920183393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147022 + ... + 153152.

It is an arithmetic number, because the mean of its divisors is an integer number (59535588).

Almost surely, 2^920183397 is an apocalyptic number.

It is an amenable number.

920183397 is a deficient number, since it is larger than the sum of its proper divisors (508670715).

920183397 is a wasteful number, since it uses less digits than its factorization.

920183397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169 (or 7162 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 920183397 is about 30334.5248355731. The cubic root of 920183397 is about 972.6534486906.

The spelling of 920183397 in words is "nine hundred twenty million, one hundred eighty-three thousand, three hundred ninety-seven".