2644697 has 8 divisors (see below), whose sum is σ = 2910432. Its totient is φ = 2403060.

The previous prime is 2644687. The next prime is 2644709. The reversal of 2644697 is 7964462.

2644697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2644697 - 2¹⁰ = 2643673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2644697.

It is not an unprimeable number, because it can be changed into a prime (2644627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338 + ... + 2324.

It is an arithmetic number, because the mean of its divisors is an integer number (363804).

2^2644697 is an apocalyptic number.

It is an amenable number.

2644697 is a deficient number, since it is larger than the sum of its proper divisors (265735).

2644697 is an equidigital number, since it uses as much as digits as its factorization.

2644697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020 (or 1998 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 2644697 is about 1626.2524404286. The cubic root of 2644697 is about 138.2903813360.

The spelling of 2644697 in words is "two million, six hundred forty-four thousand, six hundred ninety-seven".