42929385 has 16 divisors (see below), whose sum is σ = 71673984. Its totient is φ = 21900032.

The previous prime is 42929357. The next prime is 42929407. The reversal of 42929385 is 58392924.

42929385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42929385 - 2⁵ = 42929353 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 61872 + ... + 62561.

It is an arithmetic number, because the mean of its divisors is an integer number (4479624).

Almost surely, 2^42929385 is an apocalyptic number.

It is an amenable number.

42929385 is a deficient number, since it is larger than the sum of its proper divisors (28744599).

42929385 is a wasteful number, since it uses less digits than its factorization.

42929385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124464.

The product of its digits is 155520, while the sum is 42.

The square root of 42929385 is about 6552.0519686584. The cubic root of 42929385 is about 350.1479238673.

The spelling of 42929385 in words is "forty-two million, nine hundred twenty-nine thousand, three hundred eighty-five".