86831252 has 12 divisors (see below), whose sum is σ = 152034036. Its totient is φ = 43392960.

The previous prime is 86831219. The next prime is 86831281. The reversal of 86831252 is 25213868.

It can be written as a sum of positive squares in 2 ways, for example, as 10023556 + 76807696 = 3166^2 + 8764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318 + ... + 14210.

It is an arithmetic number, because the mean of its divisors is an integer number (12669503).

Almost surely, 2^86831252 is an apocalyptic number.

It is an amenable number.

86831252 is a deficient number, since it is larger than the sum of its proper divisors (65202784).

86831252 is a wasteful number, since it uses less digits than its factorization.

86831252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11338 (or 11336 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 86831252 is about 9318.3288201265. The cubic root of 86831252 is about 442.8180899907.

The spelling of 86831252 in words is "eighty-six million, eight hundred thirty-one thousand, two hundred fifty-two".