90284416 has 32 divisors (see below), whose sum is σ = 190448280. Its totient is φ = 42485760.

The previous prime is 90284393. The next prime is 90284423. The reversal of 90284416 is 61448209.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×90284416² = 16302551544922112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18570 + ... + 22921.

Almost surely, 2^90284416 is an apocalyptic number.

It is an amenable number.

90284416 is an abundant number, since it is smaller than the sum of its proper divisors (100163864).

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

90284416 is a wasteful number, since it uses less digits than its factorization.

90284416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41522 (or 41510 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 90284416 is about 9501.8111957668. The cubic root of 90284416 is about 448.6120461106.

The spelling of 90284416 in words is "ninety million, two hundred eighty-four thousand, four hundred sixteen".