11489256 has 64 divisors (see below), whose sum is σ = 32683200. Its totient is φ = 3737664.

The previous prime is 11489221. The next prime is 11489267. The reversal of 11489256 is 65298411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11489256.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8670 + ... + 9906.

It is an arithmetic number, because the mean of its divisors is an integer number (510675).

Almost surely, 2^11489256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11489256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16341600).

11489256 is an abundant number, since it is smaller than the sum of its proper divisors (21193944).

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

11489256 is a wasteful number, since it uses less digits than its factorization.

11489256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295 (or 1285 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 11489256 is about 3389.5805050183. The cubic root of 11489256 is about 225.6475567466.

It can be divided in two parts, 1148 and 9256, that added together give a square (10404 = 102²).

The spelling of 11489256 in words is "eleven million, four hundred eighty-nine thousand, two hundred fifty-six".