384049666 has 32 divisors (see below), whose sum is σ = 773474688. Its totient is φ = 138119040.

The previous prime is 384049663. The next prime is 384049667. The reversal of 384049666 is 666940483.

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 in 15 ways as a sum of consecutive naturals, for example, 93915 + ... + 97918.

It is an arithmetic number, because the mean of its divisors is an integer number (24171084).

Almost surely, 2^384049666 is an apocalyptic number.

384049666 is an abundant number, since it is smaller than the sum of its proper divisors (389425022).

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

384049666 is a wasteful number, since it uses less digits than its factorization.

384049666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191866.

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 384049666 is about 19597.1851550165. The cubic root of 384049666 is about 726.8795722789.

The spelling of 384049666 in words is "three hundred eighty-four million, forty-nine thousand, six hundred sixty-six".