244663387 has 2 divisors, whose sum is σ = 244663388. Its totient is φ = 244663386.

The previous prime is 244663381. The next prime is 244663409. The reversal of 244663387 is 783366442.

It is a happy number.

244663387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244663387 is a prime.

It is not a weakly prime, because it can be changed into another prime (244663381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122331693 + 122331694.

It is an arithmetic number, because the mean of its divisors is an integer number (122331694).

Almost surely, 2^244663387 is an apocalyptic number.

244663387 is a deficient number, since it is larger than the sum of its proper divisors (1).

244663387 is an equidigital number, since it uses as much as digits as its factorization.

244663387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 43.

The square root of 244663387 is about 15641.7194387318. The cubic root of 244663387 is about 625.4457722238.

The spelling of 244663387 in words is "two hundred forty-four million, six hundred sixty-three thousand, three hundred eighty-seven".