86418642 has 8 divisors (see below), whose sum is σ = 172837296. Its totient is φ = 28806212.

The previous prime is 86418587. The next prime is 86418679. The reversal of 86418642 is 24681468.

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

86418642 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 86418642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7201548 + ... + 7201559.

It is an arithmetic number, because the mean of its divisors is an integer number (21604662).

Almost surely, 2^86418642 is an apocalyptic number.

86418642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86418642 is a wasteful number, since it uses less digits than its factorization.

86418642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14403112.

The product of its digits is 73728, while the sum is 39.

The square root of 86418642 is about 9296.1627567508. The cubic root of 86418642 is about 442.1155727889.

The spelling of 86418642 in words is "eighty-six million, four hundred eighteen thousand, six hundred forty-two".