1168440 has 128 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 244224.

The previous prime is 1168411. The next prime is 1168451. The reversal of 1168440 is 448611.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1168440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10867 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2^1168440 is an apocalyptic number.

1168440 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 1168440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2177280).

1168440 is an abundant number, since it is smaller than the sum of its proper divisors (3186120).

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

1168440 is a wasteful number, since it uses less digits than its factorization.

1168440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1168440 is about 1080.9440318536. The cubic root of 1168440 is about 105.3259711068.

The spelling of 1168440 in words is "one million, one hundred sixty-eight thousand, four hundred forty".