86408918 has 8 divisors (see below), whose sum is σ = 129895920. Its totient is φ = 43110280.

The previous prime is 86408911. The next prime is 86408929. The reversal of 86408918 is 81980468.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86408918² = 14933002219861448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86408911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45938 + ... + 47781.

It is an arithmetic number, because the mean of its divisors is an integer number (16236990).

Almost surely, 2^86408918 is an apocalyptic number.

86408918 is a deficient number, since it is larger than the sum of its proper divisors (43487002).

86408918 is a wasteful number, since it uses less digits than its factorization.

86408918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94182.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 86408918 is about 9295.6397305403. The cubic root of 86408918 is about 442.0989895880.

The spelling of 86408918 in words is "eighty-six million, four hundred eight thousand, nine hundred eighteen".