24428969 has 2 divisors, whose sum is σ = 24428970. Its totient is φ = 24428968.

The previous prime is 24428909. The next prime is 24428993. The reversal of 24428969 is 96982442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18490000 + 5938969 = 4300^2 + 2437^2 .

It is a cyclic number.

It is not a de Polignac number, because 24428969 - 2¹⁶ = 24363433 is a prime.

It is a super-2 number, since 2×24428969² = 1193549052805922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24428909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12214484 + 12214485.

It is an arithmetic number, because the mean of its divisors is an integer number (12214485).

Almost surely, 2^24428969 is an apocalyptic number.

It is an amenable number.

24428969 is a deficient number, since it is larger than the sum of its proper divisors (1).

24428969 is an equidigital number, since it uses as much as digits as its factorization.

24428969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 24428969 is about 4942.5670455746. The cubic root of 24428969 is about 290.1583320886.

It can be divided in two parts, 2442 and 8969, that added together give a palindrome (11411).

The spelling of 24428969 in words is "twenty-four million, four hundred twenty-eight thousand, nine hundred sixty-nine".