86609250 has 320 divisors, whose sum is σ = 304432128. Its totient is φ = 17884800.

The previous prime is 86609233. The next prime is 86609293. The reversal of 86609250 is 5290668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1842727 + ... + 1842773.

Almost surely, 2^86609250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86609250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152216064).

86609250 is an abundant number, since it is smaller than the sum of its proper divisors (217822878).

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

86609250 is a wasteful number, since it uses less digits than its factorization.

86609250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 86609250 is about 9306.4090819177. The cubic root of 86609250 is about 442.4403826605.

The spelling of 86609250 in words is "eighty-six million, six hundred nine thousand, two hundred fifty".