85538598 has 32 divisors (see below), whose sum is σ = 176342496. Its totient is φ = 27641088.

The previous prime is 85538581. The next prime is 85538647. The reversal of 85538598 is 89583558.

It is a self number, because there is not a number n which added to its sum of digits gives 85538598.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82290 + ... + 83322.

It is an arithmetic number, because the mean of its divisors is an integer number (5510703).

Almost surely, 2^85538598 is an apocalyptic number.

85538598 is an abundant number, since it is smaller than the sum of its proper divisors (90803898).

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

85538598 is a wasteful number, since it uses less digits than its factorization.

85538598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448.

The product of its digits is 1728000, while the sum is 51.

The square root of 85538598 is about 9248.7079097569. The cubic root of 85538598 is about 440.6096885379.

The spelling of 85538598 in words is "eighty-five million, five hundred thirty-eight thousand, five hundred ninety-eight".