24342421 has 8 divisors (see below), whose sum is σ = 24845184. Its totient is φ = 23844240.

The previous prime is 24342403. The next prime is 24342427. The reversal of 24342421 is 12424342.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 24342421 - 2⁷ = 24342293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24342392 and 24342401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24342427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10831 + ... + 12883.

It is an arithmetic number, because the mean of its divisors is an integer number (3105648).

Almost surely, 2^24342421 is an apocalyptic number.

It is an amenable number.

24342421 is a deficient number, since it is larger than the sum of its proper divisors (502763).

24342421 is a wasteful number, since it uses less digits than its factorization.

24342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291.

The product of its digits is 1536, while the sum is 22.

The square root of 24342421 is about 4933.8039077369. The cubic root of 24342421 is about 289.8152648266.

Adding to 24342421 its reverse (12424342), we get a palindrome (36766763).

The spelling of 24342421 in words is "twenty-four million, three hundred forty-two thousand, four hundred twenty-one".