85939434 has 48 divisors (see below), whose sum is σ = 222163200. Its totient is φ = 24553368.

The previous prime is 85939421. The next prime is 85939457. The reversal of 85939434 is 43493958.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85939434.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13594 + ... + 18885.

It is an arithmetic number, because the mean of its divisors is an integer number (4628400).

Almost surely, 2^85939434 is an apocalyptic number.

85939434 is an abundant number, since it is smaller than the sum of its proper divisors (136223766).

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

85939434 is a wasteful number, since it uses less digits than its factorization.

85939434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32504 (or 32491 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 85939434 is about 9270.3524204854. The cubic root of 85939434 is about 441.2968522879.

The spelling of 85939434 in words is "eighty-five million, nine hundred thirty-nine thousand, four hundred thirty-four".