385984386 has 16 divisors (see below), whose sum is σ = 857743200. Its totient is φ = 128661444.

The previous prime is 385984381. The next prime is 385984433. The reversal of 385984386 is 683489583.

It is a happy number.

385984386 is a `hidden beast` number, since 3 + 8 + 598 + 43 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 7147859 = 385984386 / (3 + 8 + 5 + 9 + 8 + 4 + 3 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (385984381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3573876 + ... + 3573983.

It is an arithmetic number, because the mean of its divisors is an integer number (53608950).

Almost surely, 2^385984386 is an apocalyptic number.

385984386 is an abundant number, since it is smaller than the sum of its proper divisors (471758814).

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

385984386 is a wasteful number, since it uses less digits than its factorization.

385984386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147870 (or 7147864 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 385984386 is about 19646.4853345325. The cubic root of 385984386 is about 728.0981243274.

The spelling of 385984386 in words is "three hundred eighty-five million, nine hundred eighty-four thousand, three hundred eighty-six".