384239679 has 24 divisors (see below), whose sum is σ = 563794560. Its totient is φ = 232108272.

The previous prime is 384239677. The next prime is 384239689. The reversal of 384239679 is 976932483.

It is not a de Polignac number, because 384239679 - 2¹ = 384239677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384239677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23782 + ... + 36524.

It is an arithmetic number, because the mean of its divisors is an integer number (23491440).

Almost surely, 2^384239679 is an apocalyptic number.

384239679 is a deficient number, since it is larger than the sum of its proper divisors (179554881).

384239679 is a wasteful number, since it uses less digits than its factorization.

384239679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12811 (or 12788 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The square root of 384239679 is about 19602.0325221646. The cubic root of 384239679 is about 726.9994298637. Note that the first 3 decimals are identical.

The spelling of 384239679 in words is "three hundred eighty-four million, two hundred thirty-nine thousand, six hundred seventy-nine".