859949634 has 16 divisors (see below), whose sum is σ = 1766383488. Its totient is φ = 278902512.

The previous prime is 859949593. The next prime is 859949663. The reversal of 859949634 is 436949958.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936602 + ... + 1937045.

It is an arithmetic number, because the mean of its divisors is an integer number (110398968).

Almost surely, 2^859949634 is an apocalyptic number.

859949634 is an abundant number, since it is smaller than the sum of its proper divisors (906433854).

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

859949634 is a wasteful number, since it uses less digits than its factorization.

859949634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873689.

The product of its digits is 8398080, while the sum is 57.

The square root of 859949634 is about 29324.8978514845. The cubic root of 859949634 is about 950.9499764157.

The spelling of 859949634 in words is "eight hundred fifty-nine million, nine hundred forty-nine thousand, six hundred thirty-four".