90244312 has 16 divisors (see below), whose sum is σ = 169336800. Its totient is φ = 45087840.

The previous prime is 90244303. The next prime is 90244333. The reversal of 90244312 is 21344209.

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, 9489 + ... + 16447.

It is an arithmetic number, because the mean of its divisors is an integer number (10583550).

Almost surely, 2^90244312 is an apocalyptic number.

It is an amenable number.

90244312 is a deficient number, since it is larger than the sum of its proper divisors (79092488).

90244312 is a wasteful number, since it uses less digits than its factorization.

90244312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586 (or 8582 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 90244312 is about 9499.7006268619. The cubic root of 90244312 is about 448.5456123419.

The spelling of 90244312 in words is "ninety million, two hundred forty-four thousand, three hundred twelve".