342287865 has 12 divisors (see below), whose sum is σ = 593299044. Its totient is φ = 182553504.

The previous prime is 342287839. The next prime is 342287873. The reversal of 342287865 is 568782243.

It can be written as a sum of positive squares in 2 ways, for example, as 84107241 + 258180624 = 9171^2 + 16068^2 .

It is not a de Polignac number, because 342287865 - 2⁶ = 342287801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7606397 = 342287865 / (3 + 4 + 2 + 2 + 8 + 7 + 8 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 342287865.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3803154 + ... + 3803243.

It is an arithmetic number, because the mean of its divisors is an integer number (49441587).

Almost surely, 2^342287865 is an apocalyptic number.

It is an amenable number.

342287865 is a deficient number, since it is larger than the sum of its proper divisors (251011179).

342287865 is a wasteful number, since it uses less digits than its factorization.

342287865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606408 (or 7606405 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 342287865 is about 18501.0233500744. The cubic root of 342287865 is about 699.5152187666.

The spelling of 342287865 in words is "three hundred forty-two million, two hundred eighty-seven thousand, eight hundred sixty-five".