2644352 has 32 divisors (see below), whose sum is σ = 5359080. Its totient is φ = 1299456.

The previous prime is 2644339. The next prime is 2644357. The reversal of 2644352 is 2534462.

It is a tau number, because it is divible by the number of its divisors (32).

It is a d-powerful number, because it can be written as 2²⁰ + 6 + 4³ + 4³ + 3¹² + 5⁶ + 2²⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9203 + ... + 9485.

2^2644352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2644352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679540).

2644352 is an abundant number, since it is smaller than the sum of its proper divisors (2714728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2644352 is an equidigital number, since it uses as much as digits as its factorization.

2644352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 358 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 2644352 is about 1626.1463648762. The cubic root of 2644352 is about 138.2843677604.

The spelling of 2644352 in words is "two million, six hundred forty-four thousand, three hundred fifty-two".