2102944 has 12 divisors (see below), whose sum is σ = 4140234. Its totient is φ = 1051456.

The previous prime is 2102941. The next prime is 2102999. The reversal of 2102944 is 4492012.

It can be written as a sum of positive squares in only one way, i.e., 1926544 + 176400 = 1388^2 + 420^2 .

It is not an unprimeable number, because it can be changed into a prime (2102941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32827 + ... + 32890.

2^2102944 is an apocalyptic number.

It is an amenable number.

2102944 is a deficient number, since it is larger than the sum of its proper divisors (2037290).

2102944 is an equidigital number, since it uses as much as digits as its factorization.

2102944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65727 (or 65719 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2102944 is about 1450.1530953661. The cubic root of 2102944 is about 128.1177302240.

Adding to 2102944 its reverse (4492012), we get a palindrome (6594956).

The spelling of 2102944 in words is "two million, one hundred two thousand, nine hundred forty-four".