11288844 has 36 divisors (see below), whose sum is σ = 32612944. Its totient is φ = 3225312.

The previous prime is 11288839. The next prime is 11288857. The reversal of 11288844 is 44888211.

It is a happy number.

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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 11288799 and 11288808.

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, 22147 + ... + 22650.

Almost surely, 2^11288844 is an apocalyptic number.

11288844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11288844 is an abundant number, since it is smaller than the sum of its proper divisors (21324100).

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

11288844 is a wasteful number, since it uses less digits than its factorization.

11288844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44814 (or 44809 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 11288844 is about 3359.8874981166. The cubic root of 11288844 is about 224.3278309870.

The spelling of 11288844 in words is "eleven million, two hundred eighty-eight thousand, eight hundred forty-four".