85998934 has 16 divisors (see below), whose sum is σ = 147807648. Its totient is φ = 36761472.

The previous prime is 85998917. The next prime is 85998943. The reversal of 85998934 is 43989958.

It is a congruent 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, 2179 + ... + 13294.

It is an arithmetic number, because the mean of its divisors is an integer number (9237978).

Almost surely, 2^85998934 is an apocalyptic number.

85998934 is a deficient number, since it is larger than the sum of its proper divisors (61808714).

85998934 is a wasteful number, since it uses less digits than its factorization.

85998934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15879.

The product of its digits is 2799360, while the sum is 55.

The square root of 85998934 is about 9273.5610204495. The cubic root of 85998934 is about 441.3986724656.

The spelling of 85998934 in words is "eighty-five million, nine hundred ninety-eight thousand, nine hundred thirty-four".