24830139 has 4 divisors (see below), whose sum is σ = 33106856. Its totient is φ = 16553424.

The previous prime is 24830089. The next prime is 24830173. The reversal of 24830139 is 93103842.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 24830139 - 2⁷ = 24830011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24830539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138354 + ... + 4138359.

It is an arithmetic number, because the mean of its divisors is an integer number (8276714).

Almost surely, 2^24830139 is an apocalyptic number.

24830139 is a deficient number, since it is larger than the sum of its proper divisors (8276717).

24830139 is an equidigital number, since it uses as much as digits as its factorization.

24830139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276716.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 24830139 is about 4982.9849488033. The cubic root of 24830139 is about 291.7380328584.

The spelling of 24830139 in words is "twenty-four million, eight hundred thirty thousand, one hundred thirty-nine".