90030060 has 36 divisors (see below), whose sum is σ = 273091728. Its totient is φ = 24007968.

The previous prime is 90030049. The next prime is 90030067. The reversal of 90030060 is 6003009.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (90030067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249904 + ... + 250263.

Almost surely, 2^90030060 is an apocalyptic number.

90030060 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

90030060 is an abundant number, since it is smaller than the sum of its proper divisors (183061668).

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

90030060 is a wasteful number, since it uses less digits than its factorization.

90030060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500182 (or 500177 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 90030060 is about 9488.4171493458. The cubic root of 90030060 is about 448.1903620748.

Adding to 90030060 its reverse (6003009), we get a palindrome (96033069).

The spelling of 90030060 in words is "ninety million, thirty thousand, sixty".