2645044 has 24 divisors (see below), whose sum is σ = 4854528. Its totient is φ = 1259520.

The previous prime is 2645011. The next prime is 2645051. The reversal of 2645044 is 4405462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10164 + ... + 10420.

It is an arithmetic number, because the mean of its divisors is an integer number (202272).

2^2645044 is an apocalyptic number.

It is an amenable number.

2645044 is a deficient number, since it is larger than the sum of its proper divisors (2209484).

2645044 is a wasteful number, since it uses less digits than its factorization.

2645044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2645044 is about 1626.3591239330. The cubic root of 2645044 is about 138.2964292454.

The spelling of 2645044 in words is "two million, six hundred forty-five thousand, forty-four".