24939142 has 8 divisors (see below), whose sum is σ = 37967256. Its totient is φ = 12283392.

The previous prime is 24939139. The next prime is 24939149. The reversal of 24939142 is 24193942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 24939098 and 24939107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24939149) 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, 92923 + ... + 93190.

It is an arithmetic number, because the mean of its divisors is an integer number (4745907).

Almost surely, 2^24939142 is an apocalyptic number.

24939142 is a deficient number, since it is larger than the sum of its proper divisors (13028114).

24939142 is a wasteful number, since it uses less digits than its factorization.

24939142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186182.

The product of its digits is 15552, while the sum is 34.

The square root of 24939142 is about 4993.9104917890. The cubic root of 24939142 is about 292.1643145376.

The spelling of 24939142 in words is "twenty-four million, nine hundred thirty-nine thousand, one hundred forty-two".