1330844 has 6 divisors (see below), whose sum is σ = 2328984. Its totient is φ = 665420.

The previous prime is 1330843. The next prime is 1330859. The reversal of 1330844 is 4480331.

It is a super-2 number, since 2×1330844² = 3542291504672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166352 + ... + 166359.

It is an arithmetic number, because the mean of its divisors is an integer number (388164).

2^1330844 is an apocalyptic number.

It is an amenable number.

1330844 is a deficient number, since it is larger than the sum of its proper divisors (998140).

1330844 is a wasteful number, since it uses less digits than its factorization.

1330844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332715 (or 332713 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1330844 is about 1153.6221218406. The cubic root of 1330844 is about 109.9957023114.

The spelling of 1330844 in words is "one million, three hundred thirty thousand, eight hundred forty-four".