86831632 has 20 divisors (see below), whose sum is σ = 169450960. Its totient is φ = 43102368.

The previous prime is 86831629. The next prime is 86831669. The reversal of 86831632 is 23613868.

It is a junction number, because it is equal to n+sod(n) for n = 86831591 and 86831600.

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 3 ways as a sum of consecutive naturals, for example, 17298 + ... + 21745.

It is an arithmetic number, because the mean of its divisors is an integer number (8472548).

Almost surely, 2^86831632 is an apocalyptic number.

It is an amenable number.

86831632 is a deficient number, since it is larger than the sum of its proper divisors (82619328).

86831632 is a wasteful number, since it uses less digits than its factorization.

86831632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39190 (or 39184 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 86831632 is about 9318.3492100264. The cubic root of 86831632 is about 442.8187359587.

The spelling of 86831632 in words is "eighty-six million, eight hundred thirty-one thousand, six hundred thirty-two".