244411987 has 2 divisors, whose sum is σ = 244411988. Its totient is φ = 244411986.

The previous prime is 244411939. The next prime is 244412027. The reversal of 244411987 is 789114442.

It is an a-pointer prime, because the next prime (244412027) can be obtained adding 244411987 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244411987 is a prime.

It is equal to p_13389934 and since 244411987 and 13389934 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (241411987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122205993 + 122205994.

It is an arithmetic number, because the mean of its divisors is an integer number (122205994).

Almost surely, 2^244411987 is an apocalyptic number.

244411987 is a deficient number, since it is larger than the sum of its proper divisors (1).

244411987 is an equidigital number, since it uses as much as digits as its factorization.

244411987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 244411987 is about 15633.6811723919. The cubic root of 244411987 is about 625.2314764992.

The spelling of 244411987 in words is "two hundred forty-four million, four hundred eleven thousand, nine hundred eighty-seven".