90253368 has 24 divisors (see below), whose sum is σ = 244436400. Its totient is φ = 30084432.

The previous prime is 90253349. The next prime is 90253379. The reversal of 90253368 is 86335209.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626688 + ... + 626831.

It is an arithmetic number, because the mean of its divisors is an integer number (10184850).

Almost surely, 2^90253368 is an apocalyptic number.

It is an amenable number.

90253368 is an abundant number, since it is smaller than the sum of its proper divisors (154183032).

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

90253368 is a wasteful number, since it uses less digits than its factorization.

90253368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253531 (or 1253524 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 90253368 is about 9500.1772615041. The cubic root of 90253368 is about 448.5606156631.

The spelling of 90253368 in words is "ninety million, two hundred fifty-three thousand, three hundred sixty-eight".