42886281 has 8 divisors (see below), whose sum is σ = 57252160. Its totient is φ = 28555632.

The previous prime is 42886279. The next prime is 42886297. The reversal of 42886281 is 18268824.

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

It is not a de Polignac number, because 42886281 - 2¹ = 42886279 is a prime.

It is a super-2 number, since 2×42886281² = 3678466196021922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42886241) 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, 5821 + ... + 10938.

It is an arithmetic number, because the mean of its divisors is an integer number (7156520).

Almost surely, 2^42886281 is an apocalyptic number.

It is an amenable number.

42886281 is a deficient number, since it is larger than the sum of its proper divisors (14365879).

42886281 is a wasteful number, since it uses less digits than its factorization.

42886281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17615.

The product of its digits is 49152, while the sum is 39.

The square root of 42886281 is about 6548.7617913618. The cubic root of 42886281 is about 350.0306939068.

The spelling of 42886281 in words is "forty-two million, eight hundred eighty-six thousand, two hundred eighty-one".