42885849 has 16 divisors (see below), whose sum is σ = 62183808. Its totient is φ = 26180352.

The previous prime is 42885841. The next prime is 42885853. The reversal of 42885849 is 94858824.

42885849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42885849 - 2³ = 42885841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42885798 and 42885807.

It is not an unprimeable number, because it can be changed into a prime (42885841) 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 15 ways as a sum of consecutive naturals, for example, 9477 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (3886488).

Almost surely, 2^42885849 is an apocalyptic number.

It is an amenable number.

42885849 is a deficient number, since it is larger than the sum of its proper divisors (19297959).

42885849 is a wasteful number, since it uses less digits than its factorization.

42885849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22784.

The product of its digits is 737280, while the sum is 48.

The square root of 42885849 is about 6548.7288079443. The cubic root of 42885849 is about 350.0295185988.

It can be divided in two parts, 42885 and 849, that added together give a palindrome (43734).

The spelling of 42885849 in words is "forty-two million, eight hundred eighty-five thousand, eight hundred forty-nine".