384686636 has 6 divisors (see below), whose sum is σ = 673201620. Its totient is φ = 192343316.

The previous prime is 384686611. The next prime is 384686639. The reversal of 384686636 is 636686483.

It is not an unprimeable number, because it can be changed into a prime (384686639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48085826 + ... + 48085833.

It is an arithmetic number, because the mean of its divisors is an integer number (112200270).

Almost surely, 2^384686636 is an apocalyptic number.

It is an amenable number.

384686636 is a deficient number, since it is larger than the sum of its proper divisors (288514984).

384686636 is a wasteful number, since it uses less digits than its factorization.

384686636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96171663 (or 96171661 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 50.

The square root of 384686636 is about 19613.4299906977. The cubic root of 384686636 is about 727.2812084787.

The spelling of 384686636 in words is "three hundred eighty-four million, six hundred eighty-six thousand, six hundred thirty-six".