42317384 has 32 divisors (see below), whose sum is σ = 81224640. Its totient is φ = 20664000.

The previous prime is 42317383. The next prime is 42317399. The reversal of 42317384 is 48371324.

It is a self number, because there is not a number n which added to its sum of digits gives 42317384.

It is not an unprimeable number, because it can be changed into a prime (42317383) 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 7 ways as a sum of consecutive naturals, for example, 66749 + ... + 67379.

It is an arithmetic number, because the mean of its divisors is an integer number (2538270).

Almost surely, 2^42317384 is an apocalyptic number.

It is an amenable number.

42317384 is a deficient number, since it is larger than the sum of its proper divisors (38907256).

42317384 is a wasteful number, since it uses less digits than its factorization.

42317384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 817 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 42317384 is about 6505.1813195329. The cubic root of 42317384 is about 348.4760517004.

The spelling of 42317384 in words is "forty-two million, three hundred seventeen thousand, three hundred eighty-four".