441716987 has 2 divisors, whose sum is σ = 441716988. Its totient is φ = 441716986.

The previous prime is 441716983. The next prime is 441717007. The reversal of 441716987 is 789617144.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441716987 - 2² = 441716983 is a prime.

It is a super-2 number, since 2×441716987² = 390227793208716338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (441716981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220858493 + 220858494.

It is an arithmetic number, because the mean of its divisors is an integer number (220858494).

Almost surely, 2^441716987 is an apocalyptic number.

441716987 is a deficient number, since it is larger than the sum of its proper divisors (1).

441716987 is an equidigital number, since it uses as much as digits as its factorization.

441716987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The square root of 441716987 is about 21017.0641860370. The cubic root of 441716987 is about 761.5785444119.

The spelling of 441716987 in words is "four hundred forty-one million, seven hundred sixteen thousand, nine hundred eighty-seven".