2130944 has 22 divisors (see below), whose sum is σ = 4261854. Its totient is φ = 1064960.

The previous prime is 2130937. The next prime is 2130959. The reversal of 2130944 is 4490312.

It can be written as a sum of positive squares in only one way, i.e., 1721344 + 409600 = 1312^2 + 640^2 .

It is a super-2 number, since 2×2130944² = 9081844662272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17 + ... + 2064.

2^2130944 is an apocalyptic number.

It is an amenable number.

2130944 is a deficient number, since it is larger than the sum of its proper divisors (2130910).

2130944 is an equidigital number, since it uses as much as digits as its factorization.

2130944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2130944 is about 1459.7753251785. The cubic root of 2130944 is about 128.6838400778.

The spelling of 2130944 in words is "two million, one hundred thirty thousand, nine hundred forty-four".