11289762 has 48 divisors (see below), whose sum is σ = 28098720. Its totient is φ = 3240000.

The previous prime is 11289731. The next prime is 11289769. The reversal of 11289762 is 26798211.

It is not an unprimeable number, because it can be changed into a prime (11289769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2262 + ... + 5262.

It is an arithmetic number, because the mean of its divisors is an integer number (585390).

Almost surely, 2^11289762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11289762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14049360).

11289762 is an abundant number, since it is smaller than the sum of its proper divisors (16808958).

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

11289762 is a wasteful number, since it uses less digits than its factorization.

11289762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039 (or 3036 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 11289762 is about 3360.0241070564. The cubic root of 11289762 is about 224.3339115436. Note that the first 3 decimals are identical.

The spelling of 11289762 in words is "eleven million, two hundred eighty-nine thousand, seven hundred sixty-two".