24104021 has 4 divisors (see below), whose sum is σ = 24168000. Its totient is φ = 24040044.

The previous prime is 24103973. The next prime is 24104033. The reversal of 24104021 is 12040142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24104021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24103987 and 24104005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24104051) 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, 31421 + ... + 32178.

It is an arithmetic number, because the mean of its divisors is an integer number (6042000).

Almost surely, 2^24104021 is an apocalyptic number.

It is an amenable number.

24104021 is a deficient number, since it is larger than the sum of its proper divisors (63979).

24104021 is an equidigital number, since it uses as much as digits as its factorization.

24104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63978.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 24104021 is about 4909.5846056464. The cubic root of 24104021 is about 288.8660474435.

Adding to 24104021 its reverse (12040142), we get a palindrome (36144163).

The spelling of 24104021 in words is "twenty-four million, one hundred four thousand, twenty-one".