86637342 has 32 divisors (see below), whose sum is σ = 190776960. Its totient is φ = 26010720.

The previous prime is 86637329. The next prime is 86637367. The reversal of 86637342 is 24373668.

It is a self number, because there is not a number n which added to its sum of digits gives 86637342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173 + ... + 13215.

It is an arithmetic number, because the mean of its divisors is an integer number (5961780).

Almost surely, 2^86637342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86637342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95388480).

86637342 is an abundant number, since it is smaller than the sum of its proper divisors (104139618).

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

86637342 is a wasteful number, since it uses less digits than its factorization.

86637342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168.

The product of its digits is 145152, while the sum is 39.

The square root of 86637342 is about 9307.9182420131. The cubic root of 86637342 is about 442.4882131624.

The spelling of 86637342 in words is "eighty-six million, six hundred thirty-seven thousand, three hundred forty-two".