86051644 has 36 divisors (see below), whose sum is σ = 176606976. Its totient is φ = 36578304.

The previous prime is 86051639. The next prime is 86051653. The reversal of 86051644 is 44615068.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23164 + ... + 26620.

Almost surely, 2^86051644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86051644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88303488).

86051644 is an abundant number, since it is smaller than the sum of its proper divisors (90555332).

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

86051644 is a wasteful number, since it uses less digits than its factorization.

86051644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 86051644 is about 9276.4025354660. The cubic root of 86051644 is about 441.4888339408.

The spelling of 86051644 in words is "eighty-six million, fifty-one thousand, six hundred forty-four".