86983231 has 8 divisors (see below), whose sum is σ = 87603824. Its totient is φ = 86365440.

The previous prime is 86983213. The next prime is 86983243. The reversal of 86983231 is 13238968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86983231 - 2⁷ = 86983103 is a prime.

It is a super-2 number, since 2×86983231² = 15132164950398722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86983201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128911 + ... + 129583.

It is an arithmetic number, because the mean of its divisors is an integer number (10950478).

Almost surely, 2^86983231 is an apocalyptic number.

86983231 is a deficient number, since it is larger than the sum of its proper divisors (620593).

86983231 is a wasteful number, since it uses less digits than its factorization.

86983231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its digits is 62208, while the sum is 40.

The square root of 86983231 is about 9326.4800970141. The cubic root of 86983231 is about 443.0762912835.

It can be divided in two parts, 869 and 83231, that added together give a square (84100 = 290²).

The spelling of 86983231 in words is "eighty-six million, nine hundred eighty-three thousand, two hundred thirty-one".