90214512 has 40 divisors (see below), whose sum is σ = 246765456. Its totient is φ = 28302336.

The previous prime is 90214477. The next prime is 90214519. The reversal of 90214512 is 21541209.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90214519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54463 + ... + 56094.

Almost surely, 2^90214512 is an apocalyptic number.

It is an amenable number.

90214512 is an abundant number, since it is smaller than the sum of its proper divisors (156550944).

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

90214512 is a wasteful number, since it uses less digits than its factorization.

90214512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110585 (or 110579 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 90214512 is about 9498.1320268777. The cubic root of 90214512 is about 448.4962347856.

The spelling of 90214512 in words is "ninety million, two hundred fourteen thousand, five hundred twelve".