2645424 has 30 divisors (see below), whose sum is σ = 7403916. Its totient is φ = 881760.

The previous prime is 2645417. The next prime is 2645429. The reversal of 2645424 is 4245462.

It is not an unprimeable number, because it can be changed into a prime (2645429) 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, 9042 + ... + 9329.

2^2645424 is an apocalyptic number.

2645424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2645424 is an abundant number, since it is smaller than the sum of its proper divisors (4758492).

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

2645424 is a wasteful number, since it uses less digits than its factorization.

2645424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18385 (or 18376 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 2645424 is about 1626.4759451034. The cubic root of 2645424 is about 138.3030517095.

The spelling of 2645424 in words is "two million, six hundred forty-five thousand, four hundred twenty-four".