384687226 has 32 divisors (see below), whose sum is σ = 724631040. Its totient is φ = 148791600.

The previous prime is 384687221. The next prime is 384687263. The reversal of 384687226 is 622786483.

It is not an unprimeable number, because it can be changed into a prime (384687221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12421 + ... + 30391.

It is an arithmetic number, because the mean of its divisors is an integer number (22644720).

Almost surely, 2^384687226 is an apocalyptic number.

384687226 is a deficient number, since it is larger than the sum of its proper divisors (339943814).

384687226 is a wasteful number, since it uses less digits than its factorization.

384687226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18130.

The product of its digits is 774144, while the sum is 46.

The square root of 384687226 is about 19613.4450314064. The cubic root of 384687226 is about 727.2815802928.

The spelling of 384687226 in words is "three hundred eighty-four million, six hundred eighty-seven thousand, two hundred twenty-six".