24039949 has 2 divisors, whose sum is σ = 24039950. Its totient is φ = 24039948.

The previous prime is 24039947. The next prime is 24039971. The reversal of 24039949 is 94993042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15069924 + 8970025 = 3882^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 24039949 - 2¹ = 24039947 is a prime.

Together with 24039947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24039947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12019974 + 12019975.

It is an arithmetic number, because the mean of its divisors is an integer number (12019975).

Almost surely, 2^24039949 is an apocalyptic number.

It is an amenable number.

24039949 is a deficient number, since it is larger than the sum of its proper divisors (1).

24039949 is an equidigital number, since it uses as much as digits as its factorization.

24039949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 24039949 is about 4903.0550680163. The cubic root of 24039949 is about 288.6098709762.

The spelling of 24039949 in words is "twenty-four million, thirty-nine thousand, nine hundred forty-nine".