1093440 has 112 divisors (see below), whose sum is σ = 3730752. Its totient is φ = 270336.

The previous prime is 1093427. The next prime is 1093441. The reversal of 1093440 is 443901.

It is a super-2 number, since 2×1093440² = 2391222067200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093441) 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, 16287 + ... + 16353.

2^1093440 is an apocalyptic number.

1093440 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 1093440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865376).

1093440 is an abundant number, since it is smaller than the sum of its proper divisors (2637312).

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

1093440 is a wasteful number, since it uses less digits than its factorization.

1093440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1093440 is about 1045.6768143169. The cubic root of 1093440 is about 103.0223974921.

The spelling of 1093440 in words is "one million, ninety-three thousand, four hundred forty".