42303986 has 8 divisors (see below), whose sum is σ = 63663600. Its totient is φ = 21082788.

The previous prime is 42303983. The next prime is 42303991. The reversal of 42303986 is 68930324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42303983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33836 + ... + 35063.

It is an arithmetic number, because the mean of its divisors is an integer number (7957950).

Almost surely, 2^42303986 is an apocalyptic number.

42303986 is a deficient number, since it is larger than the sum of its proper divisors (21359614).

42303986 is a wasteful number, since it uses less digits than its factorization.

42303986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69208.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 42303986 is about 6504.1514435013. The cubic root of 42303986 is about 348.4392711111.

The spelling of 42303986 in words is "forty-two million, three hundred three thousand, nine hundred eighty-six".