1118444 has 12 divisors (see below), whose sum is σ = 2042544. Its totient is φ = 534864.

The previous prime is 1118441. The next prime is 1118479. The reversal of 1118444 is 4448111.

It is a super-2 number, since 2×1118444² = 2501833962272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5987 + ... + 6170.

It is an arithmetic number, because the mean of its divisors is an integer number (170212).

2^1118444 is an apocalyptic number.

It is an amenable number.

1118444 is a deficient number, since it is larger than the sum of its proper divisors (924100).

1118444 is a wasteful number, since it uses less digits than its factorization.

1118444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184 (or 12182 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 1118444 is about 1057.5651280181. The cubic root of 1118444 is about 103.8017673626.

The spelling of 1118444 in words is "one million, one hundred eighteen thousand, four hundred forty-four".