2624389 has 4 divisors (see below), whose sum is σ = 2649024. Its totient is φ = 2599756.

The previous prime is 2624387. The next prime is 2624411. The reversal of 2624389 is 9834262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2624389 - 2¹ = 2624387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2624381) 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, 12157 + ... + 12370.

It is an arithmetic number, because the mean of its divisors is an integer number (662256).

2^2624389 is an apocalyptic number.

It is an amenable number.

2624389 is a deficient number, since it is larger than the sum of its proper divisors (24635).

2624389 is a wasteful number, since it uses less digits than its factorization.

2624389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24634.

The product of its digits is 20736, while the sum is 34.

The square root of 2624389 is about 1619.9966049347. The cubic root of 2624389 is about 137.9355051144.

The spelling of 2624389 in words is "two million, six hundred twenty-four thousand, three hundred eighty-nine".