384863215 has 8 divisors (see below), whose sum is σ = 503821008. Its totient is φ = 279900480.

The previous prime is 384863207. The next prime is 384863243. The reversal of 384863215 is 512368483.

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

It is not a de Polignac number, because 384863215 - 2³ = 384863207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3498702 + ... + 3498811.

It is an arithmetic number, because the mean of its divisors is an integer number (62977626).

Almost surely, 2^384863215 is an apocalyptic number.

384863215 is a deficient number, since it is larger than the sum of its proper divisors (118957793).

384863215 is a wasteful number, since it uses less digits than its factorization.

384863215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997529.

The product of its digits is 138240, while the sum is 40.

The square root of 384863215 is about 19617.9309561432. The cubic root of 384863215 is about 727.3924704185.

The spelling of 384863215 in words is "three hundred eighty-four million, eight hundred sixty-three thousand, two hundred fifteen".