384215763 has 4 divisors (see below), whose sum is σ = 512287688. Its totient is φ = 256143840.

The previous prime is 384215753. The next prime is 384215773. The reversal of 384215763 is 367512483.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (384215753) and next prime (384215773).

It is not a de Polignac number, because 384215763 - 2²⁵ = 350661331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384215723) 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 3 ways as a sum of consecutive naturals, for example, 64035958 + ... + 64035963.

It is an arithmetic number, because the mean of its divisors is an integer number (128071922).

Almost surely, 2^384215763 is an apocalyptic number.

384215763 is a deficient number, since it is larger than the sum of its proper divisors (128071925).

384215763 is a wasteful number, since it uses less digits than its factorization.

384215763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128071924.

The product of its digits is 120960, while the sum is 39.

The square root of 384215763 is about 19601.4224738920. The cubic root of 384215763 is about 726.9843461542.

The spelling of 384215763 in words is "three hundred eighty-four million, two hundred fifteen thousand, seven hundred sixty-three".