86937444 has 108 divisors (see below), whose sum is σ = 247862160. Its totient is φ = 25473600.

The previous prime is 86937427. The next prime is 86937491. The reversal of 86937444 is 44473968.

It is a self number, because there is not a number n which added to its sum of digits gives 86937444.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1425174 + ... + 1425234.

It is an arithmetic number, because the mean of its divisors is an integer number (2295020).

Almost surely, 2^86937444 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 86937444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123931080).

86937444 is an abundant number, since it is smaller than the sum of its proper divisors (160924716).

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

86937444 is a wasteful number, since it uses less digits than its factorization.

86937444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 136 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 86937444 is about 9324.0250964913. The cubic root of 86937444 is about 442.9985341703.

The spelling of 86937444 in words is "eighty-six million, nine hundred thirty-seven thousand, four hundred forty-four".