42008846 has 16 divisors (see below), whose sum is σ = 70419888. Its totient is φ = 18628800.

The previous prime is 42008843. The next prime is 42008881. The reversal of 42008846 is 64880024.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42008843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22385 + ... + 24188.

It is an arithmetic number, because the mean of its divisors is an integer number (4401243).

Almost surely, 2^42008846 is an apocalyptic number.

42008846 is a deficient number, since it is larger than the sum of its proper divisors (28411042).

42008846 is a wasteful number, since it uses less digits than its factorization.

42008846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46627.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 42008846 is about 6481.4231461925. The cubic root of 42008846 is about 347.6270666896.

The spelling of 42008846 in words is "forty-two million, eight thousand, eight hundred forty-six".