42936859 has 4 divisors (see below), whose sum is σ = 49070704. Its totient is φ = 36803016.

The previous prime is 42936857. The next prime is 42936871. The reversal of 42936859 is 95863924.

42936859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42936859 - 2¹ = 42936857 is a prime.

It is a super-3 number, since 3×42936859³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42936851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3066912 + ... + 3066925.

It is an arithmetic number, because the mean of its divisors is an integer number (12267676).

Almost surely, 2^42936859 is an apocalyptic number.

42936859 is a deficient number, since it is larger than the sum of its proper divisors (6133845).

42936859 is an equidigital number, since it uses as much as digits as its factorization.

42936859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133844.

The product of its digits is 466560, while the sum is 46.

The square root of 42936859 is about 6552.6222995073. The cubic root of 42936859 is about 350.1682429232.

The spelling of 42936859 in words is "forty-two million, nine hundred thirty-six thousand, eight hundred fifty-nine".