24428339 has 4 divisors (see below), whose sum is σ = 26307456. Its totient is φ = 22549224.

The previous prime is 24428329. The next prime is 24428347. The reversal of 24428339 is 93382442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93382442 = 2 ⋅46691221.

It is a cyclic number.

It is not a de Polignac number, because 24428339 - 2⁸ = 24428083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24428299 and 24428308.

It is not an unprimeable number, because it can be changed into a prime (24428329) 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, 939539 + ... + 939564.

It is an arithmetic number, because the mean of its divisors is an integer number (6576864).

Almost surely, 2^24428339 is an apocalyptic number.

24428339 is a deficient number, since it is larger than the sum of its proper divisors (1879117).

24428339 is a wasteful number, since it uses less digits than its factorization.

24428339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879116.

The product of its digits is 41472, while the sum is 35.

The square root of 24428339 is about 4942.5033130995. The cubic root of 24428339 is about 290.1558377642.

The spelling of 24428339 in words is "twenty-four million, four hundred twenty-eight thousand, three hundred thirty-nine".