384849779 has 8 divisors (see below), whose sum is σ = 398358528. Its totient is φ = 371409480.

The previous prime is 384849761. The next prime is 384849799. The reversal of 384849779 is 977948483.

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

It is a cyclic number.

It is not a de Polignac number, because 384849779 - 2⁸ = 384849523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384849799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5537 + ... + 28290.

It is an arithmetic number, because the mean of its divisors is an integer number (49794816).

Almost surely, 2^384849779 is an apocalyptic number.

384849779 is a deficient number, since it is larger than the sum of its proper divisors (13508749).

384849779 is a wasteful number, since it uses less digits than its factorization.

384849779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34225.

The product of its digits is 12192768, while the sum is 59.

The square root of 384849779 is about 19617.5885113334. The cubic root of 384849779 is about 727.3840056285.

The spelling of 384849779 in words is "three hundred eighty-four million, eight hundred forty-nine thousand, seven hundred seventy-nine".