42886689 has 8 divisors (see below), whose sum is σ = 57470400. Its totient is φ = 28447056.

The previous prime is 42886661. The next prime is 42886709. The reversal of 42886689 is 98668824.

It is a happy number.

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

It is not a de Polignac number, because 42886689 - 2⁷ = 42886561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42886619) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35322 + ... + 36515.

It is an arithmetic number, because the mean of its divisors is an integer number (7183800).

Almost surely, 2^42886689 is an apocalyptic number.

It is an amenable number.

42886689 is a deficient number, since it is larger than the sum of its proper divisors (14583711).

42886689 is a wasteful number, since it uses less digits than its factorization.

42886689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72039.

The product of its digits is 1327104, while the sum is 51.

The square root of 42886689 is about 6548.7929422146. The cubic root of 42886689 is about 350.0318039127.

The spelling of 42886689 in words is "forty-two million, eight hundred eighty-six thousand, six hundred eighty-nine".