2644353 has 16 divisors (see below), whose sum is σ = 4024960. Its totient is φ = 1714608.

The previous prime is 2644339. The next prime is 2644357. The reversal of 2644353 is 3534462.

It is not a de Polignac number, because 2644353 - 2¹⁶ = 2578817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2⁷ + 6³ + 4⁵ + 4¹⁰ + 3⁴ + 5 + 3¹³ .

It is a Duffinian number.

2644353 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2644357) 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, 325 + ... + 2322.

It is an arithmetic number, because the mean of its divisors is an integer number (251560).

2^2644353 is an apocalyptic number.

It is an amenable number.

2644353 is a deficient number, since it is larger than the sum of its proper divisors (1380607).

2644353 is a wasteful number, since it uses less digits than its factorization.

2644353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2687 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 2644353 is about 1626.1466723515. The cubic root of 2644353 is about 138.2843851918.

The spelling of 2644353 in words is "two million, six hundred forty-four thousand, three hundred fifty-three".