859902 has 24 divisors (see below), whose sum is σ = 1819656. Its totient is φ = 270864.

The previous prime is 859891. The next prime is 859913. The reversal of 859902 is 209958.

It is an interprime number because it is at equal distance from previous prime (859891) and next prime (859913).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1968 + ... + 2364.

It is an arithmetic number, because the mean of its divisors is an integer number (75819).

2⁸⁵⁹⁹⁰² is an apocalyptic number.

859902 is an abundant number, since it is smaller than the sum of its proper divisors (959754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859902 is a wasteful number, since it uses less digits than its factorization.

859902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 859902 is about 927.3090099853. The cubic root of 859902 is about 95.0932417873.

The spelling of 859902 in words is "eight hundred fifty-nine thousand, nine hundred two".