90066860 has 36 divisors (see below), whose sum is σ = 204816528. Its totient is φ = 33254208.

The previous prime is 90066841. The next prime is 90066877. The reversal of 90066860 is 6866009.

It is a super-2 number, since 2×90066860² = 16224078540519200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90066860.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9944 + ... + 16703.

It is an arithmetic number, because the mean of its divisors is an integer number (5689348).

Almost surely, 2^90066860 is an apocalyptic number.

It is an amenable number.

90066860 is an abundant number, since it is smaller than the sum of its proper divisors (114749668).

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

90066860 is a wasteful number, since it uses less digits than its factorization.

90066860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26682 (or 26667 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 90066860 is about 9490.3561577003. The cubic root of 90066860 is about 448.2514200466.

The spelling of 90066860 in words is "ninety million, sixty-six thousand, eight hundred sixty".