24921039 has 24 divisors (see below), whose sum is σ = 39340336. Its totient is φ = 13939200.

The previous prime is 24921023. The next prime is 24921041. The reversal of 24921039 is 93012942.

It is not a de Polignac number, because 24921039 - 2⁴ = 24921023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24920997 and 24921015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24921079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2079 + ... + 7359.

Almost surely, 2^24921039 is an apocalyptic number.

24921039 is a deficient number, since it is larger than the sum of its proper divisors (14419297).

24921039 is a wasteful number, since it uses less digits than its factorization.

24921039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 24921039 is about 4992.0976552948. The cubic root of 24921039 is about 292.0936046624.

The spelling of 24921039 in words is "twenty-four million, nine hundred twenty-one thousand, thirty-nine".