86144418 has 16 divisors (see below), whose sum is σ = 191432160. Its totient is φ = 28714788.

The previous prime is 86144417. The next prime is 86144431. The reversal of 86144418 is 81444168.

It is not an unprimeable number, because it can be changed into a prime (86144417) 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, 797580 + ... + 797687.

It is an arithmetic number, because the mean of its divisors is an integer number (11964510).

Almost surely, 2^86144418 is an apocalyptic number.

86144418 is an abundant number, since it is smaller than the sum of its proper divisors (105287742).

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

86144418 is a wasteful number, since it uses less digits than its factorization.

86144418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595278 (or 1595272 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 86144418 is about 9281.4017260326. The cubic root of 86144418 is about 441.6474362736.

The spelling of 86144418 in words is "eighty-six million, one hundred forty-four thousand, four hundred eighteen".