386889748 has 48 divisors (see below), whose sum is σ = 794787840. Its totient is φ = 161338464.

The previous prime is 386889731. The next prime is 386889749. The reversal of 386889748 is 847988683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386889749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460713 + ... + 461551.

It is an arithmetic number, because the mean of its divisors is an integer number (16558080).

Almost surely, 2^386889748 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 386889748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397393920).

386889748 is an abundant number, since it is smaller than the sum of its proper divisors (407898092).

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

386889748 is a wasteful number, since it uses less digits than its factorization.

386889748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1274 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 61.

The square root of 386889748 is about 19669.5131612351. The cubic root of 386889748 is about 728.6669535942. Note that the first 3 decimals are identical.

The spelling of 386889748 in words is "three hundred eighty-six million, eight hundred eighty-nine thousand, seven hundred forty-eight".