90393268 has 24 divisors (see below), whose sum is σ = 181016192. Its totient is φ = 38690784.

The previous prime is 90393239. The next prime is 90393269. The reversal of 90393268 is 86239309.

It is a self number, because there is not a number n which added to its sum of digits gives 90393268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90393269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28246 + ... + 31282.

Almost surely, 2^90393268 is an apocalyptic number.

It is an amenable number.

90393268 is an abundant number, since it is smaller than the sum of its proper divisors (90622924).

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

90393268 is a wasteful number, since it uses less digits than its factorization.

90393268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111 (or 4109 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 90393268 is about 9507.5374309019. The cubic root of 90393268 is about 448.7922643909.

The spelling of 90393268 in words is "ninety million, three hundred ninety-three thousand, two hundred sixty-eight".