382985999 has 16 divisors (see below), whose sum is σ = 430686720. Its totient is φ = 337596000.

The previous prime is 382985963. The next prime is 382986007. The reversal of 382985999 is 999589283.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 382985999 - 2¹² = 382981903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382985929) 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, 43622 + ... + 51660.

It is an arithmetic number, because the mean of its divisors is an integer number (26917920).

Almost surely, 2^382985999 is an apocalyptic number.

382985999 is a deficient number, since it is larger than the sum of its proper divisors (47700721).

382985999 is a wasteful number, since it uses less digits than its factorization.

382985999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182.

The product of its digits is 12597120, while the sum is 62.

The square root of 382985999 is about 19570.0280786717. The cubic root of 382985999 is about 726.2078946600.

The spelling of 382985999 in words is "three hundred eighty-two million, nine hundred eighty-five thousand, nine hundred ninety-nine".