1116440 has 64 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 387072.

The previous prime is 1116439. The next prime is 1116449. The reversal of 1116440 is 446111.

It is an Ulam number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9824 + ... + 9936.

2^1116440 is an apocalyptic number.

1116440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436400).

1116440 is an abundant number, since it is smaller than the sum of its proper divisors (1756360).

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

1116440 is a wasteful number, since it uses less digits than its factorization.

1116440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1116440 is about 1056.6172438494. The cubic root of 1116440 is about 103.7397338272.

The spelling of 1116440 in words is "one million, one hundred sixteen thousand, four hundred forty".