386217712 has 40 divisors (see below), whose sum is σ = 791802000. Its totient is φ = 181988352.

The previous prime is 386217703. The next prime is 386217719. The reversal of 386217712 is 217712683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386217719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56664 + ... + 63112.

It is an arithmetic number, because the mean of its divisors is an integer number (19795050).

Almost surely, 2^386217712 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 386217712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395901000).

386217712 is an abundant number, since it is smaller than the sum of its proper divisors (405584288).

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

386217712 is a wasteful number, since it uses less digits than its factorization.

386217712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673 (or 6667 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 386217712 is about 19652.4225478693. The cubic root of 386217712 is about 728.2448055657.

The spelling of 386217712 in words is "three hundred eighty-six million, two hundred seventeen thousand, seven hundred twelve".