1116444 has 24 divisors (see below), whose sum is σ = 2977408. Its totient is φ = 318960.

The previous prime is 1116439. The next prime is 1116449. The reversal of 1116444 is 4446111.

It is an interprime number because it is at equal distance from previous prime (1116439) and next prime (1116449).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1116444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6562 + ... + 6729.

2^1116444 is an apocalyptic number.

1116444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1116444 is an abundant number, since it is smaller than the sum of its proper divisors (1860964).

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

1116444 is a wasteful number, since it uses less digits than its factorization.

1116444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13305 (or 13303 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1116444 is about 1056.6191366808. The cubic root of 1116444 is about 103.7398577205.

It can be divided in two parts, 111 and 6444, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 1116444 in words is "one million, one hundred sixteen thousand, four hundred forty-four".