384784067 has 4 divisors (see below), whose sum is σ = 405035880. Its totient is φ = 364532256.

The previous prime is 384784051. The next prime is 384784117. The reversal of 384784067 is 760487483.

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

It is a cyclic number.

It is not a de Polignac number, because 384784067 - 2⁴ = 384784051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384784667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10125878 + ... + 10125915.

It is an arithmetic number, because the mean of its divisors is an integer number (101258970).

Almost surely, 2^384784067 is an apocalyptic number.

384784067 is a deficient number, since it is larger than the sum of its proper divisors (20251813).

384784067 is a wasteful number, since it uses less digits than its factorization.

384784067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20251812.

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 384784067 is about 19615.9136162454. The cubic root of 384784067 is about 727.3426036918.

The spelling of 384784067 in words is "three hundred eighty-four million, seven hundred eighty-four thousand, sixty-seven".