24640339 has 2 divisors, whose sum is σ = 24640340. Its totient is φ = 24640338.

The previous prime is 24640313. The next prime is 24640351. The reversal of 24640339 is 93304642.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24640339 - 2¹⁹ = 24116051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24640339.

It is not a weakly prime, because it can be changed into another prime (24640309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12320169 + 12320170.

It is an arithmetic number, because the mean of its divisors is an integer number (12320170).

Almost surely, 2^24640339 is an apocalyptic number.

24640339 is a deficient number, since it is larger than the sum of its proper divisors (1).

24640339 is an equidigital number, since it uses as much as digits as its factorization.

24640339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 24640339 is about 4963.9036050270. The cubic root of 24640339 is about 290.9927884437.

The spelling of 24640339 in words is "twenty-four million, six hundred forty thousand, three hundred thirty-nine".