42380986 has 8 divisors (see below), whose sum is σ = 63633024. Its totient is φ = 21169980.

The previous prime is 42380959. The next prime is 42380993. The reversal of 42380986 is 68908324.

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

It is a super-2 number, since 2×42380986² = 3592295948664392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7530 + ... + 11893.

It is an arithmetic number, because the mean of its divisors is an integer number (7954128).

Almost surely, 2^42380986 is an apocalyptic number.

42380986 is a deficient number, since it is larger than the sum of its proper divisors (21252038).

42380986 is a wasteful number, since it uses less digits than its factorization.

42380986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20516.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 42380986 is about 6510.0680487995. The cubic root of 42380986 is about 348.6505479881.

The spelling of 42380986 in words is "forty-two million, three hundred eighty thousand, nine hundred eighty-six".