386897392 has 40 divisors (see below), whose sum is σ = 861056000. Its totient is φ = 164970432.

The previous prime is 386897387. The next prime is 386897393. The reversal of 386897392 is 293798683.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386897393) 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, 13609 + ... + 30967.

It is an arithmetic number, because the mean of its divisors is an integer number (21526400).

Almost surely, 2^386897392 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 386897392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430528000).

386897392 is an abundant number, since it is smaller than the sum of its proper divisors (474158608).

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

386897392 is a wasteful number, since it uses less digits than its factorization.

386897392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17573 (or 17567 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The square root of 386897392 is about 19669.7074711344. The cubic root of 386897392 is about 728.6717524579.

The spelling of 386897392 in words is "three hundred eighty-six million, eight hundred ninety-seven thousand, three hundred ninety-two".