1330944 has 36 divisors (see below), whose sum is σ = 3544296. Its totient is φ = 443392.

The previous prime is 1330943. The next prime is 1330957. The reversal of 1330944 is 4490331.

It is a super-2 number, since 2×1330944² = 3542823862272, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330943) 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 3 ways as a sum of consecutive naturals, for example, 99 + ... + 1634.

2^1330944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772148).

1330944 is an abundant number, since it is smaller than the sum of its proper divisors (2213352).

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

1330944 is an equidigital number, since it uses as much as digits as its factorization.

1330944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1330944 is about 1153.6654627751. The cubic root of 1330944 is about 109.9984572786.

The spelling of 1330944 in words is "one million, three hundred thirty thousand, nine hundred forty-four".