86225616 has 30 divisors (see below), whose sum is σ = 241312370. Its totient is φ = 28741824.

The previous prime is 86225569. The next prime is 86225617. The reversal of 86225616 is 61652268.

It can be written as a sum of positive squares in only one way, i.e., 77792400 + 8433216 = 8820^2 + 2904^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86225617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299251 + ... + 299538.

Almost surely, 2^86225616 is an apocalyptic number.

It is an amenable number.

86225616 is an abundant number, since it is smaller than the sum of its proper divisors (155086754).

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

86225616 is a wasteful number, since it uses less digits than its factorization.

86225616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598803 (or 598794 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 86225616 is about 9285.7749272745. The cubic root of 86225616 is about 441.7861553688.

The spelling of 86225616 in words is "eighty-six million, two hundred twenty-five thousand, six hundred sixteen".