42856299 has 6 divisors (see below), whose sum is σ = 61903556. Its totient is φ = 28570860.

The previous prime is 42856223. The next prime is 42856301. The reversal of 42856299 is 99265824.

It is not a de Polignac number, because 42856299 - 2¹⁹ = 42332011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42856399) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2380897 + ... + 2380914.

Almost surely, 2^42856299 is an apocalyptic number.

42856299 is a deficient number, since it is larger than the sum of its proper divisors (19047257).

42856299 is a wasteful number, since it uses less digits than its factorization.

42856299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761817 (or 4761814 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 42856299 is about 6546.4722561086. The cubic root of 42856299 is about 349.9491055248.

The spelling of 42856299 in words is "forty-two million, eight hundred fifty-six thousand, two hundred ninety-nine".