386617328 has 40 divisors (see below), whose sum is σ = 776936880. Its totient is φ = 186152960.

The previous prime is 386617313. The next prime is 386617381. The reversal of 386617328 is 823716683.

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, 226976 + ... + 228672.

It is an arithmetic number, because the mean of its divisors is an integer number (19423422).

Almost surely, 2^386617328 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 386617328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388468440).

386617328 is an abundant number, since it is smaller than the sum of its proper divisors (390319552).

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

386617328 is a wasteful number, since it uses less digits than its factorization.

386617328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 2219 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 386617328 is about 19662.5870118863. The cubic root of 386617328 is about 728.4958884424.

The spelling of 386617328 in words is "three hundred eighty-six million, six hundred seventeen thousand, three hundred twenty-eight".