24147993 has 8 divisors (see below), whose sum is σ = 33892000. Its totient is φ = 15251328.

The previous prime is 24147971. The next prime is 24148021. The reversal of 24147993 is 39974142.

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

It is a de Polignac number, because none of the positive numbers 2^k-24147993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (24147593) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 211768 + ... + 211881.

It is an arithmetic number, because the mean of its divisors is an integer number (4236500).

Almost surely, 2^24147993 is an apocalyptic number.

It is an amenable number.

24147993 is a deficient number, since it is larger than the sum of its proper divisors (9744007).

24147993 is a wasteful number, since it uses less digits than its factorization.

24147993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423671.

The product of its digits is 54432, while the sum is 39.

The square root of 24147993 is about 4914.0607444353. The cubic root of 24147993 is about 289.0415963243.

The spelling of 24147993 in words is "twenty-four million, one hundred forty-seven thousand, nine hundred ninety-three".