85998594 has 16 divisors (see below), whose sum is σ = 187633440. Its totient is φ = 26060160.

The previous prime is 85998559. The next prime is 85998611. The reversal of 85998594 is 49589958.

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, 651439 + ... + 651570.

It is an arithmetic number, because the mean of its divisors is an integer number (11727090).

Almost surely, 2^85998594 is an apocalyptic number.

85998594 is an abundant number, since it is smaller than the sum of its proper divisors (101634846).

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

85998594 is a wasteful number, since it uses less digits than its factorization.

85998594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303025.

The product of its digits is 4665600, while the sum is 57.

The square root of 85998594 is about 9273.5426887463. The cubic root of 85998594 is about 441.3980907695.

The spelling of 85998594 in words is "eighty-five million, nine hundred ninety-eight thousand, five hundred ninety-four".