1117944 has 24 divisors (see below), whose sum is σ = 3027960. Its totient is φ = 372624.

The previous prime is 1117943. The next prime is 1117967. The reversal of 1117944 is 4497111.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7692 + ... + 7835.

It is an arithmetic number, because the mean of its divisors is an integer number (126165).

2^1117944 is an apocalyptic number.

It is an amenable number.

1117944 is an abundant number, since it is smaller than the sum of its proper divisors (1910016).

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

1117944 is a wasteful number, since it uses less digits than its factorization.

1117944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15539 (or 15532 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1117944 is about 1057.3287095317. The cubic root of 1117944 is about 103.7862968757.

It can be divided in two parts, 11 and 17944, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 1117944 in words is "one million, one hundred seventeen thousand, nine hundred forty-four".