24000421 has 4 divisors (see below), whose sum is σ = 24224832. Its totient is φ = 23776012.

The previous prime is 24000391. The next prime is 24000443. The reversal of 24000421 is 12400042.

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 not a de Polignac number, because 24000421 - 2⁹ = 23999909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24007421) 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, 112045 + ... + 112258.

It is an arithmetic number, because the mean of its divisors is an integer number (6056208).

Almost surely, 2^24000421 is an apocalyptic number.

It is an amenable number.

24000421 is a deficient number, since it is larger than the sum of its proper divisors (224411).

24000421 is a wasteful number, since it uses less digits than its factorization.

24000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224410.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 24000421 is about 4899.0224535105. The cubic root of 24000421 is about 288.4516006824.

Adding to 24000421 its reverse (12400042), we get a palindrome (36400463).

The spelling of 24000421 in words is "twenty-four million, four hundred twenty-one", and thus it is an aban number.