244659881 has 4 divisors (see below), whose sum is σ = 244776192. Its totient is φ = 244543572.

The previous prime is 244659871. The next prime is 244659889. The reversal of 244659881 is 188956442.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244659881 is a prime.

It is a super-2 number, since 2×244659881² = 119716914741868322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244659889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54941 + ... + 59226.

It is an arithmetic number, because the mean of its divisors is an integer number (61194048).

Almost surely, 2^244659881 is an apocalyptic number.

It is an amenable number.

244659881 is a deficient number, since it is larger than the sum of its proper divisors (116311).

244659881 is a wasteful number, since it uses less digits than its factorization.

244659881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116310.

The product of its digits is 552960, while the sum is 47.

The square root of 244659881 is about 15641.6073662524. The cubic root of 244659881 is about 625.4427846860.

The spelling of 244659881 in words is "two hundred forty-four million, six hundred fifty-nine thousand, eight hundred eighty-one".