86285250 has 80 divisors (see below), whose sum is σ = 241348536. Its totient is φ = 23004000.

The previous prime is 86285249. The next prime is 86285261. The reversal of 86285250 is 5258268.

86285250 is a `hidden beast` number, since 8 + 628 + 5 + 25 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 50680161 + 35605089 = 7119^2 + 5967^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18120 + ... + 22380.

Almost surely, 2^86285250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86285250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120674268).

86285250 is an abundant number, since it is smaller than the sum of its proper divisors (155063286).

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

86285250 is a wasteful number, since it uses less digits than its factorization.

86285250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 86285250 is about 9288.9854128425. The cubic root of 86285250 is about 441.8879789552.

The spelling of 86285250 in words is "eighty-six million, two hundred eighty-five thousand, two hundred fifty".