859090939 has 16 divisors (see below), whose sum is σ = 1007121600. Its totient is φ = 717575040.

The previous prime is 859090933. The next prime is 859090961. The reversal of 859090939 is 939090958.

It is not a de Polignac number, because 859090939 - 2²³ = 850702331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859090933) 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, 47509 + ... + 63049.

It is an arithmetic number, because the mean of its divisors is an integer number (62945100).

Almost surely, 2^859090939 is an apocalyptic number.

859090939 is a deficient number, since it is larger than the sum of its proper divisors (148030661).

859090939 is a wasteful number, since it uses less digits than its factorization.

859090939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15750.

The product of its (nonzero) digits is 787320, while the sum is 52.

The square root of 859090939 is about 29310.2531377673. The cubic root of 859090939 is about 950.6333501454.

The spelling of 859090939 in words is "eight hundred fifty-nine million, ninety thousand, nine hundred thirty-nine".