386924144 has 40 divisors (see below), whose sum is σ = 775605120. Its totient is φ = 186796800.

The previous prime is 386924141. The next prime is 386924201. The reversal of 386924144 is 441429683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386924141) 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, 410714 + ... + 411654.

It is an arithmetic number, because the mean of its divisors is an integer number (19390128).

Almost surely, 2^386924144 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 386924144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387802560).

386924144 is an abundant number, since it is smaller than the sum of its proper divisors (388680976).

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

386924144 is a wasteful number, since it uses less digits than its factorization.

386924144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1803 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 386924144 is about 19670.3874898285. The cubic root of 386924144 is about 728.6885467276.

The spelling of 386924144 in words is "three hundred eighty-six million, nine hundred twenty-four thousand, one hundred forty-four".