90060903 has 24 divisors (see below), whose sum is σ = 136781008. Its totient is φ = 59206464.

The previous prime is 90060899. The next prime is 90060913. The reversal of 90060903 is 30906009.

It is not a de Polignac number, because 90060903 - 2² = 90060899 is a prime.

It is a super-2 number, since 2×90060903² = 16221932498350818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90060913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15201 + ... + 20277.

Almost surely, 2^90060903 is an apocalyptic number.

90060903 is a deficient number, since it is larger than the sum of its proper divisors (46720105).

90060903 is an equidigital number, since it uses as much as digits as its factorization.

90060903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 90060903 is about 9490.0423075980. The cubic root of 90060903 is about 448.2415374158.

The spelling of 90060903 in words is "ninety million, sixty thousand, nine hundred three".