90205716 has 12 divisors (see below), whose sum is σ = 210480032. Its totient is φ = 30068568.

The previous prime is 90205697. The next prime is 90205721. The reversal of 90205716 is 61750209.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758560 + ... + 3758583.

Almost surely, 2^90205716 is an apocalyptic number.

It is an amenable number.

90205716 is an abundant number, since it is smaller than the sum of its proper divisors (120274316).

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

90205716 is a wasteful number, since it uses less digits than its factorization.

90205716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517150 (or 7517148 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 90205716 is about 9497.6689771754. The cubic root of 90205716 is about 448.4816580432.

The spelling of 90205716 in words is "ninety million, two hundred five thousand, seven hundred sixteen".