90203268 has 12 divisors (see below), whose sum is σ = 210474320. Its totient is φ = 30067752.

The previous prime is 90203249. The next prime is 90203287. The reversal of 90203268 is 86230209.

It is an interprime number because it is at equal distance from previous prime (90203249) and next prime (90203287).

It is a tau number, because it is divible by the number of its divisors (12).

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, 3758458 + ... + 3758481.

Almost surely, 2^90203268 is an apocalyptic number.

It is an amenable number.

90203268 is an abundant number, since it is smaller than the sum of its proper divisors (120271052).

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

90203268 is a wasteful number, since it uses less digits than its factorization.

90203268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516946 (or 7516944 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 90203268 is about 9497.5401025739. The cubic root of 90203268 is about 448.4776010459.

The spelling of 90203268 in words is "ninety million, two hundred three thousand, two hundred sixty-eight".