42699386 has 8 divisors (see below), whose sum is σ = 64091424. Its totient is φ = 21335580.

The previous prime is 42699383. The next prime is 42699401. The reversal of 42699386 is 68399624.

42699386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42699386.

It is not an unprimeable number, because it can be changed into a prime (42699383) 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, 2750 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (8011428).

Almost surely, 2^42699386 is an apocalyptic number.

42699386 is a deficient number, since it is larger than the sum of its proper divisors (21392038).

42699386 is a wasteful number, since it uses less digits than its factorization.

42699386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14116.

The product of its digits is 559872, while the sum is 47.

The square root of 42699386 is about 6534.4767196769. The cubic root of 42699386 is about 349.5214848544.

The spelling of 42699386 in words is "forty-two million, six hundred ninety-nine thousand, three hundred eighty-six".