2644057 has 16 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 2261952.

The previous prime is 2644043. The next prime is 2644063. The reversal of 2644057 is 7504462.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2644057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2644007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10944 + ... + 11182.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^2644057 is an apocalyptic number.

It is an amenable number.

2644057 is a deficient number, since it is larger than the sum of its proper divisors (420263).

2644057 is a wasteful number, since it uses less digits than its factorization.

2644057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2644057 is about 1626.0556571040. The cubic root of 2644057 is about 138.2792253026.

The spelling of 2644057 in words is "two million, six hundred forty-four thousand, fifty-seven".