86432918 has 16 divisors (see below), whose sum is σ = 152315856. Its totient is φ = 36265440.

The previous prime is 86432911. The next prime is 86432933. The reversal of 86432918 is 81923468.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86432911) 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, 150821 + ... + 151392.

It is an arithmetic number, because the mean of its divisors is an integer number (9519741).

Almost surely, 2^86432918 is an apocalyptic number.

86432918 is a deficient number, since it is larger than the sum of its proper divisors (65882938).

86432918 is a wasteful number, since it uses less digits than its factorization.

86432918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302239.

The product of its digits is 82944, while the sum is 41.

The square root of 86432918 is about 9296.9305687415. The cubic root of 86432918 is about 442.1399166660.

The spelling of 86432918 in words is "eighty-six million, four hundred thirty-two thousand, nine hundred eighteen".