85124490 has 32 divisors (see below), whose sum is σ = 222872256. Its totient is φ = 20636160.

The previous prime is 85124467. The next prime is 85124513. The reversal of 85124490 is 9442158.

It is an interprime number because it is at equal distance from previous prime (85124467) and next prime (85124513).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128647 + ... + 129306.

It is an arithmetic number, because the mean of its divisors is an integer number (6964758).

Almost surely, 2^85124490 is an apocalyptic number.

85124490 is an abundant number, since it is smaller than the sum of its proper divisors (137747766).

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

85124490 is a wasteful number, since it uses less digits than its factorization.

85124490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257974.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 85124490 is about 9226.2934052630. The cubic root of 85124490 is about 439.8975140093.

The spelling of 85124490 in words is "eighty-five million, one hundred twenty-four thousand, four hundred ninety".