86438372 has 24 divisors (see below), whose sum is σ = 159529440. Its totient is φ = 40867200.

The previous prime is 86438371. The next prime is 86438377. The reversal of 86438372 is 27383468.

It is not an unprimeable number, because it can be changed into a prime (86438371) 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, 71372 + ... + 72572.

It is an arithmetic number, because the mean of its divisors is an integer number (6647060).

Almost surely, 2^86438372 is an apocalyptic number.

It is an amenable number.

86438372 is a deficient number, since it is larger than the sum of its proper divisors (73091068).

86438372 is a wasteful number, since it uses less digits than its factorization.

86438372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2169 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 86438372 is about 9297.2238867309. The cubic root of 86438372 is about 442.1492162879.

The spelling of 86438372 in words is "eighty-six million, four hundred thirty-eight thousand, three hundred seventy-two".