23984449 has 2 divisors, whose sum is σ = 23984450. Its totient is φ = 23984448.

The previous prime is 23984413. The next prime is 23984507. The reversal of 23984449 is 94448932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22496049 + 1488400 = 4743^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 23984449 - 2⁹ = 23983937 is a prime.

It is not a weakly prime, because it can be changed into another prime (23984749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11992224 + 11992225.

It is an arithmetic number, because the mean of its divisors is an integer number (11992225).

Almost surely, 2^23984449 is an apocalyptic number.

It is an amenable number.

23984449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23984449 is an equidigital number, since it uses as much as digits as its factorization.

23984449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 23984449 is about 4897.3920610872. The cubic root of 23984449 is about 288.3875994253.

The spelling of 23984449 in words is "twenty-three million, nine hundred eighty-four thousand, four hundred forty-nine".