42186892 has 36 divisors (see below), whose sum is σ = 82047168. Its totient is φ = 18964000.

The previous prime is 42186889. The next prime is 42186931. The reversal of 42186892 is 29868124.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 48453 + ... + 49315.

It is an arithmetic number, because the mean of its divisors is an integer number (2279088).

Almost surely, 2^42186892 is an apocalyptic number.

It is an amenable number.

42186892 is a deficient number, since it is larger than the sum of its proper divisors (39860276).

42186892 is a wasteful number, since it uses less digits than its factorization.

42186892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 977 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 42186892 is about 6495.1437243528. The cubic root of 42186892 is about 348.1174901657.

The spelling of 42186892 in words is "forty-two million, one hundred eighty-six thousand, eight hundred ninety-two".