24056421 has 4 divisors (see below), whose sum is σ = 32075232. Its totient is φ = 16037612.

The previous prime is 24056407. The next prime is 24056429. The reversal of 24056421 is 12465042.

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 24056421 - 2⁷ = 24056293 is a prime.

It is a super-2 number, since 2×24056421² = 1157422782658482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24056391 and 24056400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24056429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009401 + ... + 4009406.

It is an arithmetic number, because the mean of its divisors is an integer number (8018808).

Almost surely, 2^24056421 is an apocalyptic number.

It is an amenable number.

24056421 is a deficient number, since it is larger than the sum of its proper divisors (8018811).

24056421 is an equidigital number, since it uses as much as digits as its factorization.

24056421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8018810.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 24056421 is about 4904.7345493920. The cubic root of 24056421 is about 288.6757737285.

The spelling of 24056421 in words is "twenty-four million, fifty-six thousand, four hundred twenty-one".