384220967 has 16 divisors (see below), whose sum is σ = 419237280. Its totient is φ = 350013312.

The previous prime is 384220943. The next prime is 384220997. The reversal of 384220967 is 769022483.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 384220967 - 2¹⁰ = 384219943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384220937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562208 + ... + 562890.

It is an arithmetic number, because the mean of its divisors is an integer number (26202330).

Almost surely, 2^384220967 is an apocalyptic number.

384220967 is a deficient number, since it is larger than the sum of its proper divisors (35016313).

384220967 is a wasteful number, since it uses less digits than its factorization.

384220967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 384220967 is about 19601.5552189106. Note that the first 3 decimals coincide. The cubic root of 384220967 is about 726.9876283460.

The spelling of 384220967 in words is "three hundred eighty-four million, two hundred twenty thousand, nine hundred sixty-seven".