42910838 has 8 divisors (see below), whose sum is σ = 65273040. Its totient is φ = 21153160.

The previous prime is 42910837. The next prime is 42910843. The reversal of 42910838 is 83801924.

It is a happy number.

42910838 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 a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42910798 and 42910807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42910831) 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 3 ways as a sum of consecutive naturals, for example, 150953 + ... + 151236.

It is an arithmetic number, because the mean of its divisors is an integer number (8159130).

Almost surely, 2^42910838 is an apocalyptic number.

42910838 is a deficient number, since it is larger than the sum of its proper divisors (22362202).

42910838 is a wasteful number, since it uses less digits than its factorization.

42910838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302262.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 42910838 is about 6550.6364576276. The cubic root of 42910838 is about 350.0974912090.

The spelling of 42910838 in words is "forty-two million, nine hundred ten thousand, eight hundred thirty-eight".