42939046 has 16 divisors (see below), whose sum is σ = 65232720. Its totient is φ = 21196800.

The previous prime is 42939041. The next prime is 42939047. The reversal of 42939046 is 64093924.

42939046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42938996 and 42939014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42939041) 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 7 ways as a sum of consecutive naturals, for example, 71146 + ... + 71746.

It is an arithmetic number, because the mean of its divisors is an integer number (4077045).

Almost surely, 2^42939046 is an apocalyptic number.

42939046 is a deficient number, since it is larger than the sum of its proper divisors (22293674).

42939046 is a wasteful number, since it uses less digits than its factorization.

42939046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 42939046 is about 6552.7891771367. The cubic root of 42939046 is about 350.1741881255.

The spelling of 42939046 in words is "forty-two million, nine hundred thirty-nine thousand, forty-six".