90528216 has 16 divisors (see below), whose sum is σ = 226320600. Its totient is φ = 30176064.

The previous prime is 90528211. The next prime is 90528271. The reversal of 90528216 is 61282509.

It is a super-3 number, since 3×90528216³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90528211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885981 + ... + 1886028.

Almost surely, 2^90528216 is an apocalyptic number.

It is an amenable number.

90528216 is an abundant number, since it is smaller than the sum of its proper divisors (135792384).

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

90528216 is a wasteful number, since it uses less digits than its factorization.

90528216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772018 (or 3772014 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 90528216 is about 9514.6316796816. The cubic root of 90528216 is about 449.0154871535.

The spelling of 90528216 in words is "ninety million, five hundred twenty-eight thousand, two hundred sixteen".