244989993 has 8 divisors (see below), whose sum is σ = 337190656. Its totient is φ = 158058000.

The previous prime is 244989967. The next prime is 244990001. The reversal of 244989993 is 399989442.

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

It is not a de Polignac number, because 244989993 - 2¹⁴ = 244973609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244989923) 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, 1317058 + ... + 1317243.

It is an arithmetic number, because the mean of its divisors is an integer number (42148832).

Almost surely, 2^244989993 is an apocalyptic number.

It is an amenable number.

244989993 is a deficient number, since it is larger than the sum of its proper divisors (92200663).

244989993 is a wasteful number, since it uses less digits than its factorization.

244989993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634335.

The product of its digits is 5038848, while the sum is 57.

The square root of 244989993 is about 15652.1561773450. The cubic root of 244989993 is about 625.7239551252.

The spelling of 244989993 in words is "two hundred forty-four million, nine hundred eighty-nine thousand, nine hundred ninety-three".