11440869 has 32 divisors (see below), whose sum is σ = 17832960. Its totient is φ = 6451200.

The previous prime is 11440843. The next prime is 11440889. The reversal of 11440869 is 96804411.

It is not a de Polignac number, because 11440869 - 2⁹ = 11440357 is a prime.

It is a super-2 number, since 2×11440869² = 261786966950322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44389 + ... + 44645.

It is an arithmetic number, because the mean of its divisors is an integer number (557280).

Almost surely, 2^11440869 is an apocalyptic number.

11440869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11440869 is a deficient number, since it is larger than the sum of its proper divisors (6392091).

11440869 is a wasteful number, since it uses less digits than its factorization.

11440869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 11440869 is about 3382.4353652361. The cubic root of 11440869 is about 225.3303394577.

The spelling of 11440869 in words is "eleven million, four hundred forty thousand, eight hundred sixty-nine".