384049664 has 20 divisors (see below), whose sum is σ = 767350254. Its totient is φ = 192024576.

The previous prime is 384049663. The next prime is 384049667. The reversal of 384049664 is 466940483.

It can be written as a sum of positive squares in only one way, i.e., 295840000 + 88209664 = 17200^2 + 9392^2 .

It is not an unprimeable number, because it can be changed into a prime (384049663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374537 + ... + 375560.

Almost surely, 2^384049664 is an apocalyptic number.

It is an amenable number.

384049664 is a deficient number, since it is larger than the sum of its proper divisors (383300590).

384049664 is an frugal number, since it uses more digits than its factorization.

384049664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750115 (or 750099 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 384049664 is about 19597.1851039888. The cubic root of 384049664 is about 726.8795710172.

The spelling of 384049664 in words is "three hundred eighty-four million, forty-nine thousand, six hundred sixty-four".