869057 has 16 divisors (see below), whose sum is σ = 1077120. Its totient is φ = 684288.

The previous prime is 869053. The next prime is 869059. The reversal of 869057 is 750968.

It is a cyclic number.

It is not a de Polignac number, because 869057 - 2² = 869053 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 869057.

It is not an unprimeable number, because it can be changed into a prime (869053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7919 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (67320).

2⁸⁶⁹⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

869057 is a deficient number, since it is larger than the sum of its proper divisors (208063).

869057 is a wasteful number, since it uses less digits than its factorization.

869057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 869057 is about 932.2322671953. The cubic root of 869057 is about 95.4295232152.

The spelling of 869057 in words is "eight hundred sixty-nine thousand, fifty-seven".