85428174 has 32 divisors (see below), whose sum is σ = 188493984. Its totient is φ = 25643520.

The previous prime is 85428089. The next prime is 85428181. The reversal of 85428174 is 47182458.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 10159 + ... + 16554.

It is an arithmetic number, because the mean of its divisors is an integer number (5890437).

Almost surely, 2^85428174 is an apocalyptic number.

85428174 is an abundant number, since it is smaller than the sum of its proper divisors (103065810).

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

85428174 is a wasteful number, since it uses less digits than its factorization.

85428174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26772.

The product of its digits is 71680, while the sum is 39.

The square root of 85428174 is about 9242.7362831577. The cubic root of 85428174 is about 440.4200087263.

The spelling of 85428174 in words is "eighty-five million, four hundred twenty-eight thousand, one hundred seventy-four".