24144394 has 4 divisors (see below), whose sum is σ = 36216594. Its totient is φ = 12072196.

The previous prime is 24144391. The next prime is 24144409. The reversal of 24144394 is 49344142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15705369 + 8439025 = 3963^2 + 2905^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (24144391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6036097 + ... + 6036100.

Almost surely, 2^24144394 is an apocalyptic number.

24144394 is a deficient number, since it is larger than the sum of its proper divisors (12072200).

24144394 is a wasteful number, since it uses less digits than its factorization.

24144394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12072199.

The product of its digits is 13824, while the sum is 31.

The square root of 24144394 is about 4913.6945367005. The cubic root of 24144394 is about 289.0272360917.

The spelling of 24144394 in words is "twenty-four million, one hundred forty-four thousand, three hundred ninety-four".