86228574 has 32 divisors (see below), whose sum is σ = 186449280. Its totient is φ = 26492832.

The previous prime is 86228561. The next prime is 86228591. The reversal of 86228574 is 47582268.

It is a happy number.

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, 6004 + ... + 14439.

It is an arithmetic number, because the mean of its divisors is an integer number (5826540).

Almost surely, 2^86228574 is an apocalyptic number.

86228574 is an abundant number, since it is smaller than the sum of its proper divisors (100220706).

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

86228574 is a wasteful number, since it uses less digits than its factorization.

86228574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20504.

The product of its digits is 215040, while the sum is 42.

The square root of 86228574 is about 9285.9342017914. The cubic root of 86228574 is about 441.7912071874.

The spelling of 86228574 in words is "eighty-six million, two hundred twenty-eight thousand, five hundred seventy-four".