11303990 has 16 divisors (see below), whose sum is σ = 20504880. Its totient is φ = 4486560.

The previous prime is 11303989. The next prime is 11304001. The reversal of 11303990 is 9930311.

It is a super-3 number, since 3×11303990³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005 + ... + 5624.

It is an arithmetic number, because the mean of its divisors is an integer number (1281555).

Almost surely, 2^11303990 is an apocalyptic number.

11303990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11303990 is a deficient number, since it is larger than the sum of its proper divisors (9200890).

11303990 is a wasteful number, since it uses less digits than its factorization.

11303990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8767.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 11303990 is about 3362.1406871218. The cubic root of 11303990 is about 224.4281114330.

The spelling of 11303990 in words is "eleven million, three hundred three thousand, nine hundred ninety".