86617224 has 96 divisors (see below), whose sum is σ = 244707840. Its totient is φ = 27648000.

The previous prime is 86617213. The next prime is 86617243. The reversal of 86617224 is 42271668.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336904 + ... + 337160.

It is an arithmetic number, because the mean of its divisors is an integer number (2549040).

Almost surely, 2^86617224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86617224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122353920).

86617224 is an abundant number, since it is smaller than the sum of its proper divisors (158090616).

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

86617224 is a wasteful number, since it uses less digits than its factorization.

86617224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 444 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 86617224 is about 9306.8374864935. The cubic root of 86617224 is about 442.4539605457.

The spelling of 86617224 in words is "eighty-six million, six hundred seventeen thousand, two hundred twenty-four".