42835689 has 16 divisors (see below), whose sum is σ = 68342400. Its totient is φ = 26360208.

The previous prime is 42835673. The next prime is 42835691. The reversal of 42835689 is 98653824.

42835689 is a `hidden beast` number, since 4 + 2 + 83 + 568 + 9 = 666.

It is not a de Polignac number, because 42835689 - 2⁴ = 42835673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42835609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60669 + ... + 61370.

It is an arithmetic number, because the mean of its divisors is an integer number (4271400).

Almost surely, 2^42835689 is an apocalyptic number.

It is an amenable number.

42835689 is a deficient number, since it is larger than the sum of its proper divisors (25506711).

42835689 is a wasteful number, since it uses less digits than its factorization.

42835689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122061 (or 122055 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 42835689 is about 6544.8979365610. The cubic root of 42835689 is about 349.8929985836.

The spelling of 42835689 in words is "forty-two million, eight hundred thirty-five thousand, six hundred eighty-nine".