859032438 has 16 divisors (see below), whose sum is σ = 1874252736. Its totient is φ = 260312840.

The previous prime is 859032431. The next prime is 859032467. The reversal of 859032438 is 834230958.

It is a self number, because there is not a number n which added to its sum of digits gives 859032438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859032431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6507756 + ... + 6507887.

It is an arithmetic number, because the mean of its divisors is an integer number (117140796).

Almost surely, 2^859032438 is an apocalyptic number.

859032438 is an abundant number, since it is smaller than the sum of its proper divisors (1015220298).

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

859032438 is a wasteful number, since it uses less digits than its factorization.

859032438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13015659.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 859032438 is about 29309.2551594202. The cubic root of 859032438 is about 950.6117714193.

The spelling of 859032438 in words is "eight hundred fifty-nine million, thirty-two thousand, four hundred thirty-eight".