86454918 has 32 divisors (see below), whose sum is σ = 209589120. Its totient is φ = 26198280.

The previous prime is 86454917. The next prime is 86454923. The reversal of 86454918 is 81945468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86454913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72180 + ... + 73367.

It is an arithmetic number, because the mean of its divisors is an integer number (6549660).

Almost surely, 2^86454918 is an apocalyptic number.

86454918 is an abundant number, since it is smaller than the sum of its proper divisors (123134202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86454918 is a wasteful number, since it uses less digits than its factorization.

86454918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145569 (or 145563 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 86454918 is about 9298.1136796664. The cubic root of 86454918 is about 442.1774264991.

The spelling of 86454918 in words is "eighty-six million, four hundred fifty-four thousand, nine hundred eighteen".