384466678 has 8 divisors (see below), whose sum is σ = 582645672. Its totient is φ = 190251456.

The previous prime is 384466673. The next prime is 384466699. The reversal of 384466678 is 876664483.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384466673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990700 + ... + 991087.

It is an arithmetic number, because the mean of its divisors is an integer number (72830709).

Almost surely, 2^384466678 is an apocalyptic number.

384466678 is a deficient number, since it is larger than the sum of its proper divisors (198178994).

384466678 is a wasteful number, since it uses less digits than its factorization.

384466678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981886.

The product of its digits is 4644864, while the sum is 52.

The square root of 384466678 is about 19607.8218576159. The cubic root of 384466678 is about 727.1425659192.

The spelling of 384466678 in words is "three hundred eighty-four million, four hundred sixty-six thousand, six hundred seventy-eight".