24139404 has 48 divisors (see below), whose sum is σ = 63231840. Its totient is φ = 7963200.

The previous prime is 24139387. The next prime is 24139411. The reversal of 24139404 is 40493142.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9802 + ... + 12014.

It is an arithmetic number, because the mean of its divisors is an integer number (1317330).

Almost surely, 2^24139404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24139404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31615920).

24139404 is an abundant number, since it is smaller than the sum of its proper divisors (39092436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24139404 is a wasteful number, since it uses less digits than its factorization.

24139404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 24139404 is about 4913.1867458911. The cubic root of 24139404 is about 289.0073233219.

The spelling of 24139404 in words is "twenty-four million, one hundred thirty-nine thousand, four hundred four".