42943586 has 16 divisors (see below), whose sum is σ = 73763136. Its totient is φ = 18368016.

The previous prime is 42943561. The next prime is 42943597. The reversal of 42943586 is 68534924.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (4610196).

Almost surely, 2^42943586 is an apocalyptic number.

42943586 is a deficient number, since it is larger than the sum of its proper divisors (30819550).

42943586 is a wasteful number, since it uses less digits than its factorization.

42943586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073.

The product of its digits is 207360, while the sum is 41.

The square root of 42943586 is about 6553.1355853515. The cubic root of 42943586 is about 350.1865291448.

The spelling of 42943586 in words is "forty-two million, nine hundred forty-three thousand, five hundred eighty-six".