4349987 has 2 divisors, whose sum is σ = 4349988. Its totient is φ = 4349986.

The previous prime is 4349959. The next prime is 4350023. The reversal of 4349987 is 7899434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4349987 - 2¹⁸ = 4087843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4349927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2174993 + 2174994.

It is an arithmetic number, because the mean of its divisors is an integer number (2174994).

Almost surely, 2^4349987 is an apocalyptic number.

4349987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4349987 is an equidigital number, since it uses as much as digits as its factorization.

4349987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 4349987 is about 2085.6622449476. The cubic root of 4349987 is about 163.2410274870.

The spelling of 4349987 in words is "four million, three hundred forty-nine thousand, nine hundred eighty-seven".