244085987 has 2 divisors, whose sum is σ = 244085988. Its totient is φ = 244085986.

The previous prime is 244085969. The next prime is 244086013. The reversal of 244085987 is 789580442.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244085987 is a prime.

It is not a weakly prime, because it can be changed into another prime (244085917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122042993 + 122042994.

It is an arithmetic number, because the mean of its divisors is an integer number (122042994).

Almost surely, 2^244085987 is an apocalyptic number.

244085987 is a deficient number, since it is larger than the sum of its proper divisors (1).

244085987 is an equidigital number, since it uses as much as digits as its factorization.

244085987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 244085987 is about 15623.2514861664. The cubic root of 244085987 is about 624.9533720948.

The spelling of 244085987 in words is "two hundred forty-four million, eighty-five thousand, nine hundred eighty-seven".