86144938 has 16 divisors (see below), whose sum is σ = 141494400. Its totient is φ = 39009600.

The previous prime is 86144909. The next prime is 86144941. The reversal of 86144938 is 83944168.

It is a junction number, because it is equal to n+sod(n) for n = 86144894 and 86144903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 13186.

It is an arithmetic number, because the mean of its divisors is an integer number (8843400).

Almost surely, 2^86144938 is an apocalyptic number.

86144938 is a deficient number, since it is larger than the sum of its proper divisors (55349462).

86144938 is a wasteful number, since it uses less digits than its factorization.

86144938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14733.

The product of its digits is 165888, while the sum is 43.

The square root of 86144938 is about 9281.4297390003. The cubic root of 86144938 is about 441.6483249216.

The spelling of 86144938 in words is "eighty-six million, one hundred forty-four thousand, nine hundred thirty-eight".