2644038 has 12 divisors (see below), whose sum is σ = 5728788. Its totient is φ = 881340.

The previous prime is 2644007. The next prime is 2644039. The reversal of 2644038 is 8304462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73428 + ... + 73463.

It is an arithmetic number, because the mean of its divisors is an integer number (477399).

2^2644038 is an apocalyptic number.

2644038 is an abundant number, since it is smaller than the sum of its proper divisors (3084750).

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

2644038 is a wasteful number, since it uses less digits than its factorization.

2644038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146899 (or 146896 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2644038 is about 1626.0498147351. The cubic root of 2644038 is about 138.2788940803.

The spelling of 2644038 in words is "two million, six hundred forty-four thousand, thirty-eight".