42886937 has 4 divisors (see below), whose sum is σ = 45409716. Its totient is φ = 40364160.

The previous prime is 42886859. The next prime is 42886951. The reversal of 42886937 is 73968824.

42886937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31990336 + 10896601 = 5656^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 42886937 - 2¹² = 42882841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42886891 and 42886900.

It is not an unprimeable number, because it can be changed into a prime (42886997) 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, 1261364 + ... + 1261397.

It is an arithmetic number, because the mean of its divisors is an integer number (11352429).

Almost surely, 2^42886937 is an apocalyptic number.

It is an amenable number.

42886937 is a deficient number, since it is larger than the sum of its proper divisors (2522779).

42886937 is a wasteful number, since it uses less digits than its factorization.

42886937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522778.

The product of its digits is 580608, while the sum is 47.

The square root of 42886937 is about 6548.8118769743. The cubic root of 42886937 is about 350.0324786187.

The spelling of 42886937 in words is "forty-two million, eight hundred eighty-six thousand, nine hundred thirty-seven".