385686996 has 24 divisors (see below), whose sum is σ = 928967424. Its totient is φ = 124415040.

The previous prime is 385686971. The next prime is 385687009. The reversal of 385686996 is 699686583.

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, 518025 + ... + 518768.

It is an arithmetic number, because the mean of its divisors is an integer number (38706976).

Almost surely, 2^385686996 is an apocalyptic number.

It is an amenable number.

385686996 is an abundant number, since it is smaller than the sum of its proper divisors (543280428).

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

385686996 is a wasteful number, since it uses less digits than its factorization.

385686996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036831 (or 1036829 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 60.

The square root of 385686996 is about 19638.9153468311. The cubic root of 385686996 is about 727.9110833117.

The spelling of 385686996 in words is "three hundred eighty-five million, six hundred eighty-six thousand, nine hundred ninety-six".