386000220 has 96 divisors (see below), whose sum is σ = 1124444160. Its totient is φ = 98830080.

The previous prime is 386000213. The next prime is 386000221. The reversal of 386000220 is 22000683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386000221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257794 + ... + 259286.

It is an arithmetic number, because the mean of its divisors is an integer number (11712960).

Almost surely, 2^386000220 is an apocalyptic number.

386000220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562222080).

386000220 is an abundant number, since it is smaller than the sum of its proper divisors (738443940).

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

386000220 is a wasteful number, since it uses less digits than its factorization.

386000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 386000220 is about 19646.8883032403. Note that the first 3 decimals coincide. The cubic root of 386000220 is about 728.1080802984.

The spelling of 386000220 in words is "three hundred eighty-six million, two hundred twenty", and thus it is an aban number.