384364578 has 16 divisors (see below), whose sum is σ = 827862336. Its totient is φ = 118266000.

The previous prime is 384364571. The next prime is 384364601. The reversal of 384364578 is 875463483.

It is a super-2 number, since 2×384364578² = 295472257642236168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (384364571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463798 + ... + 2463953.

It is an arithmetic number, because the mean of its divisors is an integer number (51741396).

Almost surely, 2^384364578 is an apocalyptic number.

384364578 is an abundant number, since it is smaller than the sum of its proper divisors (443497758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384364578 is a wasteful number, since it uses less digits than its factorization.

384364578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927769.

The product of its digits is 1935360, while the sum is 48.

The square root of 384364578 is about 19605.2181319158. The cubic root of 384364578 is about 727.0781929119.

The spelling of 384364578 in words is "three hundred eighty-four million, three hundred sixty-four thousand, five hundred seventy-eight".