244659813 has 8 divisors (see below), whose sum is σ = 331082208. Its totient is φ = 160671984.

The previous prime is 244659797. The next prime is 244659829. The reversal of 244659813 is 318956442.

It is an interprime number because it is at equal distance from previous prime (244659797) and next prime (244659829).

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

It is not a de Polignac number, because 244659813 - 2⁴ = 244659797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244659413) 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, 608406 + ... + 608807.

It is an arithmetic number, because the mean of its divisors is an integer number (41385276).

Almost surely, 2^244659813 is an apocalyptic number.

It is an amenable number.

244659813 is a deficient number, since it is larger than the sum of its proper divisors (86422395).

244659813 is a wasteful number, since it uses less digits than its factorization.

244659813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217283.

The product of its digits is 207360, while the sum is 42.

The square root of 244659813 is about 15641.6051925626. The cubic root of 244659813 is about 625.4427267415.

The spelling of 244659813 in words is "two hundred forty-four million, six hundred fifty-nine thousand, eight hundred thirteen".