86990336 has 40 divisors (see below), whose sum is σ = 176332464. Its totient is φ = 42864640.

The previous prime is 86990287. The next prime is 86990357. The reversal of 86990336 is 63309968.

It is a congruent number.

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, 35156 + ... + 37548.

Almost surely, 2^86990336 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 86990336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88166232).

86990336 is an abundant number, since it is smaller than the sum of its proper divisors (89342128).

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

86990336 is an equidigital number, since it uses as much as digits as its factorization.

86990336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 86990336 is about 9326.8609939250. The cubic root of 86990336 is about 443.0883548016.

The spelling of 86990336 in words is "eighty-six million, nine hundred ninety thousand, three hundred thirty-six".