2644953 has 8 divisors (see below), whose sum is σ = 3546816. Its totient is φ = 1753200.

The previous prime is 2644927. The next prime is 2644981. The reversal of 2644953 is 3594462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2644953 - 2⁵ = 2644921 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2³ + 6⁴ + 4² + 4¹⁰ + 9³ + 5 + 3¹³ .

It is not an unprimeable number, because it can be changed into a prime (2644903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (443352).

2^2644953 is an apocalyptic number.

It is an amenable number.

2644953 is a deficient number, since it is larger than the sum of its proper divisors (901863).

2644953 is a wasteful number, since it uses less digits than its factorization.

2644953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055.

The product of its digits is 25920, while the sum is 33.

The square root of 2644953 is about 1626.3311470915. The cubic root of 2644953 is about 138.2948432454.

The spelling of 2644953 in words is "two million, six hundred forty-four thousand, nine hundred fifty-three".