11238828 has 24 divisors (see below), whose sum is σ = 26783232. Its totient is φ = 3666384.

The previous prime is 11238817. The next prime is 11238841. The reversal of 11238828 is 82883211.

It is a super-2 number, since 2×11238828² = 252622509627168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9400 + ... + 10527.

It is an arithmetic number, because the mean of its divisors is an integer number (1115968).

Almost surely, 2^11238828 is an apocalyptic number.

It is an amenable number.

11238828 is an abundant number, since it is smaller than the sum of its proper divisors (15544404).

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

11238828 is a wasteful number, since it uses less digits than its factorization.

11238828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19981 (or 19979 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 11238828 is about 3352.4361291455. The cubic root of 11238828 is about 223.9960405338.

The spelling of 11238828 in words is "eleven million, two hundred thirty-eight thousand, eight hundred twenty-eight".