2644497 has 12 divisors (see below), whose sum is σ = 3850704. Its totient is φ = 1748760.

The previous prime is 2644489. The next prime is 2644507. The reversal of 2644497 is 7944462.

2644497 is a `hidden beast` number, since 2 + 644 + 4 + 9 + 7 = 666.

2644497 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 2644497 - 2³ = 2644489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2640497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (320892).

2^2644497 is an apocalyptic number.

It is an amenable number.

2644497 is a deficient number, since it is larger than the sum of its proper divisors (1206207).

2644497 is a wasteful number, since it uses less digits than its factorization.

2644497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2377 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2644497 is about 1626.1909481977. The cubic root of 2644497 is about 138.2868952689.

Adding to 2644497 its product of digits (48384), we get a square (2692881 = 1641²).

It can be divided in two parts, 264 and 4497, that added together give a square (4761 = 69²).

The spelling of 2644497 in words is "two million, six hundred forty-four thousand, four hundred ninety-seven".