384081604 has 27 divisors (see below), whose sum is σ = 691831021. Its totient is φ = 186572960.

The previous prime is 384081601. The next prime is 384081611. The reversal of 384081604 is 406180483.

The square root of 384081604 is 19598.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18507204 + 365574400 = 4302^2 + 19120^2 .

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 384081604.

It is not an unprimeable number, because it can be changed into a prime (384081601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1606917 + ... + 1607155.

Almost surely, 2^384081604 is an apocalyptic number.

384081604 is the 19598-th square number.

It is an amenable number.

384081604 is a deficient number, since it is larger than the sum of its proper divisors (307749417).

384081604 is an equidigital number, since it uses as much as digits as its factorization.

384081604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The cubic root of 384081604 is about 726.8997210933.

The spelling of 384081604 in words is "three hundred eighty-four million, eighty-one thousand, six hundred four".