2428644 has 12 divisors (see below), whose sum is σ = 5666864. Its totient is φ = 809544.

The previous prime is 2428627. The next prime is 2428649. The reversal of 2428644 is 4468242.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2428649) 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, 101182 + ... + 101205.

2^2428644 is an apocalyptic number.

It is an amenable number.

2428644 is an abundant number, since it is smaller than the sum of its proper divisors (3238220).

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

2428644 is a wasteful number, since it uses less digits than its factorization.

2428644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202394 (or 202392 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 2428644 is about 1558.4107289158. The cubic root of 2428644 is about 134.4171303987.

The spelling of 2428644 in words is "two million, four hundred twenty-eight thousand, six hundred forty-four".