90783216 has 60 divisors (see below), whose sum is σ = 267446920. Its totient is φ = 28667520.

The previous prime is 90783193. The next prime is 90783229. The reversal of 90783216 is 61238709.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 13855 + ... + 19326.

Almost surely, 2^90783216 is an apocalyptic number.

It is an amenable number.

90783216 is an abundant number, since it is smaller than the sum of its proper divisors (176663704).

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

90783216 is a wasteful number, since it uses less digits than its factorization.

90783216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33214 (or 33205 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 90783216 is about 9528.0226699982. The cubic root of 90783216 is about 449.4366877297.

The spelling of 90783216 in words is "ninety million, seven hundred eighty-three thousand, two hundred sixteen".