42884378 has 8 divisors (see below), whose sum is σ = 64354368. Its totient is φ = 21432924.

The previous prime is 42884363. The next prime is 42884381. The reversal of 42884378 is 87348824.

42884378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 6575 + ... + 11357.

It is an arithmetic number, because the mean of its divisors is an integer number (8044296).

Almost surely, 2^42884378 is an apocalyptic number.

42884378 is a deficient number, since it is larger than the sum of its proper divisors (21469990).

42884378 is a wasteful number, since it uses less digits than its factorization.

42884378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9268.

The product of its digits is 344064, while the sum is 44.

The square root of 42884378 is about 6548.6164951080. The cubic root of 42884378 is about 350.0255165070.

The spelling of 42884378 in words is "forty-two million, eight hundred eighty-four thousand, three hundred seventy-eight".