2644069 has 4 divisors (see below), whose sum is σ = 2653696. Its totient is φ = 2634444.

The previous prime is 2644067. The next prime is 2644073. The reversal of 2644069 is 9604462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2644069 - 2¹ = 2644067 is a prime.

It is a super-2 number, since 2×2644069² = 13982201753522, which contains 22 as substring.

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 2644069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4389 + ... + 4954.

It is an arithmetic number, because the mean of its divisors is an integer number (663424).

2^2644069 is an apocalyptic number.

It is an amenable number.

2644069 is a deficient number, since it is larger than the sum of its proper divisors (9627).

2644069 is an equidigital number, since it uses as much as digits as its factorization.

2644069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2644069 is about 1626.0593470104. The cubic root of 2644069 is about 138.2794344948.

The spelling of 2644069 in words is "two million, six hundred forty-four thousand, sixty-nine".