385449768 has 48 divisors (see below), whose sum is σ = 1138831200. Its totient is φ = 116802720.

The previous prime is 385449767. The next prime is 385449781. The reversal of 385449768 is 867944583.

385449768 is a `hidden beast` number, since 3 + 8 + 544 + 97 + 6 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (385449763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242548 + ... + 244131.

It is an arithmetic number, because the mean of its divisors is an integer number (23725650).

Almost surely, 2^385449768 is an apocalyptic number.

It is an amenable number.

385449768 is an abundant number, since it is smaller than the sum of its proper divisors (753381432).

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

385449768 is a wasteful number, since it uses less digits than its factorization.

385449768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486702 (or 486695 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 385449768 is about 19632.8746748916. The cubic root of 385449768 is about 727.7618117448.

The spelling of 385449768 in words is "three hundred eighty-five million, four hundred forty-nine thousand, seven hundred sixty-eight".