11289884 has 12 divisors (see below), whose sum is σ = 20291544. Its totient is φ = 5492304.

The previous prime is 11289877. The next prime is 11289899. The reversal of 11289884 is 48898211.

It is a super-2 number, since 2×11289884² = 254922961466912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37994 + ... + 38289.

It is an arithmetic number, because the mean of its divisors is an integer number (1690962).

Almost surely, 2^11289884 is an apocalyptic number.

It is an amenable number.

11289884 is a deficient number, since it is larger than the sum of its proper divisors (9001660).

11289884 is a wasteful number, since it uses less digits than its factorization.

11289884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76324 (or 76322 counting only the distinct ones).

The product of its digits is 36864, while the sum is 41.

The square root of 11289884 is about 3360.0422616390. The cubic root of 11289884 is about 224.3347196102.

The spelling of 11289884 in words is "eleven million, two hundred eighty-nine thousand, eight hundred eighty-four".