384197679 has 6 divisors (see below), whose sum is σ = 554952216. Its totient is φ = 256131780.

The previous prime is 384197669. The next prime is 384197701. The reversal of 384197679 is 976791483.

It is a happy number.

384197679 is a `hidden beast` number, since 384 + 197 + 6 + 79 = 666.

It is not a de Polignac number, because 384197679 - 2²¹ = 382100527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384197629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21344307 + ... + 21344324.

It is an arithmetic number, because the mean of its divisors is an integer number (92492036).

Almost surely, 2^384197679 is an apocalyptic number.

384197679 is a deficient number, since it is larger than the sum of its proper divisors (170754537).

384197679 is a wasteful number, since it uses less digits than its factorization.

384197679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42688637 (or 42688634 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 384197679 is about 19600.9611754118. The cubic root of 384197679 is about 726.9729402442.

The spelling of 384197679 in words is "three hundred eighty-four million, one hundred ninety-seven thousand, six hundred seventy-nine".