24240989 has 2 divisors, whose sum is σ = 24240990. Its totient is φ = 24240988.

The previous prime is 24240943. The next prime is 24241001. The reversal of 24240989 is 98904242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21696964 + 2544025 = 4658^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 24240989 - 2¹⁶ = 24175453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24240289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12120494 + 12120495.

It is an arithmetic number, because the mean of its divisors is an integer number (12120495).

Almost surely, 2^24240989 is an apocalyptic number.

It is an amenable number.

24240989 is a deficient number, since it is larger than the sum of its proper divisors (1).

24240989 is an equidigital number, since it uses as much as digits as its factorization.

24240989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 24240989 is about 4923.5138874588. The cubic root of 24240989 is about 289.4121623939.

The spelling of 24240989 in words is "twenty-four million, two hundred forty thousand, nine hundred eighty-nine".