42435686 has 8 divisors (see below), whose sum is σ = 63689664. Its totient is φ = 21205800.

The previous prime is 42435677. The next prime is 42435733. The reversal of 42435686 is 68653424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (7961208).

Almost surely, 2^42435686 is an apocalyptic number.

42435686 is a deficient number, since it is larger than the sum of its proper divisors (21253978).

42435686 is a wasteful number, since it uses less digits than its factorization.

42435686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12046.

The product of its digits is 138240, while the sum is 38.

The square root of 42435686 is about 6514.2678790483. The cubic root of 42435686 is about 348.8004814666.

The spelling of 42435686 in words is "forty-two million, four hundred thirty-five thousand, six hundred eighty-six".