42836884 has 18 divisors (see below), whose sum is σ = 76375754. Its totient is φ = 21017040.

The previous prime is 42836873. The next prime is 42836897. The reversal of 42836884 is 48863824.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 17556100 = 5028^2 + 4190^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42836884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102027 + ... + 102445.

Almost surely, 2^42836884 is an apocalyptic number.

It is an amenable number.

42836884 is a deficient number, since it is larger than the sum of its proper divisors (33538870).

42836884 is an equidigital number, since it uses as much as digits as its factorization.

42836884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 482 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 42836884 is about 6544.9892284098. The cubic root of 42836884 is about 349.8962522431.

The spelling of 42836884 in words is "forty-two million, eight hundred thirty-six thousand, eight hundred eighty-four".