385686392 has 96 divisors (see below), whose sum is σ = 907562880. Its totient is φ = 150433920.

The previous prime is 385686359. The next prime is 385686397. The reversal of 385686392 is 293686583.

It is a self number, because there is not a number n which added to its sum of digits gives 385686392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385686397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785267 + ... + 785757.

It is an arithmetic number, because the mean of its divisors is an integer number (9453780).

Almost surely, 2^385686392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385686392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453781440).

385686392 is an abundant number, since it is smaller than the sum of its proper divisors (521876488).

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

385686392 is a wasteful number, since it uses less digits than its factorization.

385686392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 596 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 385686392 is about 19638.8999691938. The cubic root of 385686392 is about 727.9107033330.

The spelling of 385686392 in words is "three hundred eighty-five million, six hundred eighty-six thousand, three hundred ninety-two".