90003330 has 24 divisors (see below), whose sum is σ = 234008892. Its totient is φ = 24000864.

The previous prime is 90003317. The next prime is 90003349. The reversal of 90003330 is 3330009.

It can be written as a sum of positive squares in 2 ways, for example, as 86881041 + 3122289 = 9321^2 + 1767^2 .

It is a super-2 number, since 2×90003330² = 16201198822177800, which contains 22 as substring.

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

90003330 is a modest number, since divided by 3330 gives 90 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499929 + ... + 500108.

Almost surely, 2^90003330 is an apocalyptic number.

90003330 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

90003330 is an abundant number, since it is smaller than the sum of its proper divisors (144005562).

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

90003330 is a wasteful number, since it uses less digits than its factorization.

90003330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000050 (or 1000047 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 90003330 is about 9487.0084852919. The cubic root of 90003330 is about 448.1460016534.

Adding to 90003330 its reverse (3330009), we get a palindrome (93333339).

The spelling of 90003330 in words is "ninety million, three thousand, three hundred thirty".