90282090 has 32 divisors (see below), whose sum is σ = 217437696. Its totient is φ = 23990720.

The previous prime is 90282083. The next prime is 90282103. The reversal of 90282090 is 9028209.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3655 + ... + 13925.

It is an arithmetic number, because the mean of its divisors is an integer number (6794928).

Almost surely, 2^90282090 is an apocalyptic number.

90282090 is an abundant number, since it is smaller than the sum of its proper divisors (127155606).

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

90282090 is a wasteful number, since it uses less digits than its factorization.

90282090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10574.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 90282090 is about 9501.6887972613. The cubic root of 90282090 is about 448.6081935425.

The spelling of 90282090 in words is "ninety million, two hundred eighty-two thousand, ninety".