42916686 has 16 divisors (see below), whose sum is σ = 85958400. Its totient is φ = 14284728.

The previous prime is 42916663. The next prime is 42916693. The reversal of 42916686 is 68661924.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (5372400).

Almost surely, 2^42916686 is an apocalyptic number.

42916686 is an abundant number, since it is smaller than the sum of its proper divisors (43041714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42916686 is a wasteful number, since it uses less digits than its factorization.

42916686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423.

The product of its digits is 124416, while the sum is 42.

The square root of 42916686 is about 6551.0828112611. The cubic root of 42916686 is about 350.1133945505.

The spelling of 42916686 in words is "forty-two million, nine hundred sixteen thousand, six hundred eighty-six".