42386812 has 24 divisors (see below), whose sum is σ = 80170272. Its totient is φ = 19492800.

The previous prime is 42386807. The next prime is 42386821. The reversal of 42386812 is 21868324.

42386812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14862 + ... + 17482.

It is an arithmetic number, because the mean of its divisors is an integer number (3340428).

Almost surely, 2^42386812 is an apocalyptic number.

It is an amenable number.

42386812 is a deficient number, since it is larger than the sum of its proper divisors (37783460).

42386812 is a wasteful number, since it uses less digits than its factorization.

42386812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949 (or 2947 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 42386812 is about 6510.5154941832. The cubic root of 42386812 is about 348.6665232733. Note that the first 3 decimals are identical.

The spelling of 42386812 in words is "forty-two million, three hundred eighty-six thousand, eight hundred twelve".