23984869 has 2 divisors, whose sum is σ = 23984870. Its totient is φ = 23984868.

The previous prime is 23984833. The next prime is 23984879. The reversal of 23984869 is 96848932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21622500 + 2362369 = 4650^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 23984869 - 2⁹ = 23984357 is a prime.

It is a super-2 number, since 2×23984869² = 1150547881894322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23984819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11992434 + 11992435.

It is an arithmetic number, because the mean of its divisors is an integer number (11992435).

Almost surely, 2^23984869 is an apocalyptic number.

It is an amenable number.

23984869 is a deficient number, since it is larger than the sum of its proper divisors (1).

23984869 is an equidigital number, since it uses as much as digits as its factorization.

23984869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 23984869 is about 4897.4349408645. The cubic root of 23984869 is about 288.3892827672.

The spelling of 23984869 in words is "twenty-three million, nine hundred eighty-four thousand, eight hundred sixty-nine".