244432993 has 4 divisors (see below), whose sum is σ = 279352000. Its totient is φ = 209513988.

The previous prime is 244432973. The next prime is 244432999. The reversal of 244432993 is 399234442.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 399234442 = 2 ⋅199617221.

It is a cyclic number.

It is not a de Polignac number, because 244432993 - 2¹⁷ = 244301921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244432999) 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 3 ways as a sum of consecutive naturals, for example, 17459493 + ... + 17459506.

It is an arithmetic number, because the mean of its divisors is an integer number (69838000).

Almost surely, 2^244432993 is an apocalyptic number.

It is an amenable number.

244432993 is a deficient number, since it is larger than the sum of its proper divisors (34919007).

244432993 is an equidigital number, since it uses as much as digits as its factorization.

244432993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34919006.

The product of its digits is 186624, while the sum is 40.

The square root of 244432993 is about 15634.3529766985. The cubic root of 244432993 is about 625.2493878359.

The spelling of 244432993 in words is "two hundred forty-four million, four hundred thirty-two thousand, nine hundred ninety-three".