86724252 has 36 divisors (see below), whose sum is σ = 219569896. Its totient is φ = 28861920.

The previous prime is 86724251. The next prime is 86724289. The reversal of 86724252 is 25242768.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86724251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26802 + ... + 29862.

Almost surely, 2^86724252 is an apocalyptic number.

It is an amenable number.

86724252 is an abundant number, since it is smaller than the sum of its proper divisors (132845644).

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

86724252 is a wasteful number, since it uses less digits than its factorization.

86724252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858 (or 3853 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 86724252 is about 9312.5856774582. The cubic root of 86724252 is about 442.6361239733.

The spelling of 86724252 in words is "eighty-six million, seven hundred twenty-four thousand, two hundred fifty-two".