42333986 has 4 divisors (see below), whose sum is σ = 63500982. Its totient is φ = 21166992.

The previous prime is 42333953. The next prime is 42334009. The reversal of 42333986 is 68933324.

42333986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 330625 = 6481^2 + 575^2 .

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 as a sum of consecutive naturals, namely, 10583495 + ... + 10583498.

Almost surely, 2^42333986 is an apocalyptic number.

42333986 is a deficient number, since it is larger than the sum of its proper divisors (21166996).

42333986 is a wasteful number, since it uses less digits than its factorization.

42333986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21166995.

The product of its digits is 93312, while the sum is 38.

The square root of 42333986 is about 6506.4572541438. The cubic root of 42333986 is about 348.5216172376.

The spelling of 42333986 in words is "forty-two million, three hundred thirty-three thousand, nine hundred eighty-six".