845957 has 4 divisors (see below), whose sum is σ = 966816. Its totient is φ = 725100.

The previous prime is 845951. The next prime is 845969. The reversal of 845957 is 759548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 845957 - 2⁴ = 845941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 845957.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845957.

It is not an unprimeable number, because it can be changed into a prime (845951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60419 + ... + 60432.

It is an arithmetic number, because the mean of its divisors is an integer number (241704).

2⁸⁴⁵⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

845957 is a deficient number, since it is larger than the sum of its proper divisors (120859).

845957 is a wasteful number, since it uses less digits than its factorization.

845957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120858.

The product of its digits is 50400, while the sum is 38.

The square root of 845957 is about 919.7592076190. The cubic root of 845957 is about 94.5763965147.

The spelling of 845957 in words is "eight hundred forty-five thousand, nine hundred fifty-seven".