385683500 has 48 divisors (see below), whose sum is σ = 850624320. Its totient is φ = 152755200.

The previous prime is 385683479. The next prime is 385683503. The reversal of 385683500 is 5386583.

It is not an unprimeable number, because it can be changed into a prime (385683503) 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, 47756 + ... + 55244.

It is an arithmetic number, because the mean of its divisors is an integer number (17721340).

Almost surely, 2^385683500 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 385683500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425312160).

385683500 is an abundant number, since it is smaller than the sum of its proper divisors (464940820).

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

385683500 is a wasteful number, since it uses less digits than its factorization.

385683500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 385683500 is about 19638.8263396772. The cubic root of 385683500 is about 727.9088839593.

The spelling of 385683500 in words is "three hundred eighty-five million, six hundred eighty-three thousand, five hundred".