24428489 has 2 divisors, whose sum is σ = 24428490. Its totient is φ = 24428488.

The previous prime is 24428479. The next prime is 24428491. The reversal of 24428489 is 98482442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 11526025 = 3592^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 24428489 - 2¹⁶ = 24362953 is a prime.

Together with 24428491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24428479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12214244 + 12214245.

It is an arithmetic number, because the mean of its divisors is an integer number (12214245).

Almost surely, 2^24428489 is an apocalyptic number.

It is an amenable number.

24428489 is a deficient number, since it is larger than the sum of its proper divisors (1).

24428489 is an equidigital number, since it uses as much as digits as its factorization.

24428489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 41.

The square root of 24428489 is about 4942.5184875729. The cubic root of 24428489 is about 290.1564316549.

The spelling of 24428489 in words is "twenty-four million, four hundred twenty-eight thousand, four hundred eighty-nine".