24028639 has 2 divisors, whose sum is σ = 24028640. Its totient is φ = 24028638.

The previous prime is 24028621. The next prime is 24028649. The reversal of 24028639 is 93682042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24028639 - 2¹⁷ = 23897567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24028619) 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, 12014319 + 12014320.

It is an arithmetic number, because the mean of its divisors is an integer number (12014320).

Almost surely, 2^24028639 is an apocalyptic number.

24028639 is a deficient number, since it is larger than the sum of its proper divisors (1).

24028639 is an equidigital number, since it uses as much as digits as its factorization.

24028639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 24028639 is about 4901.9015697992. The cubic root of 24028639 is about 288.5646034139.

The spelling of 24028639 in words is "twenty-four million, twenty-eight thousand, six hundred thirty-nine".