384986685 has 8 divisors (see below), whose sum is σ = 615978720. Its totient is φ = 205326224.

The previous prime is 384986669. The next prime is 384986699. The reversal of 384986685 is 586689483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 384986685 - 2⁴ = 384986669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12832875 + ... + 12832904.

It is an arithmetic number, because the mean of its divisors is an integer number (76997340).

Almost surely, 2^384986685 is an apocalyptic number.

It is an amenable number.

384986685 is a deficient number, since it is larger than the sum of its proper divisors (230992035).

384986685 is a wasteful number, since it uses less digits than its factorization.

384986685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25665787.

The product of its digits is 9953280, while the sum is 57.

The square root of 384986685 is about 19621.0775697972. The cubic root of 384986685 is about 727.4702483080.

The spelling of 384986685 in words is "three hundred eighty-four million, nine hundred eighty-six thousand, six hundred eighty-five".