387500256 has 216 divisors, whose sum is σ = 1308087144. Its totient is φ = 107274240.

The previous prime is 387500237. The next prime is 387500257. The reversal of 387500256 is 652005783.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 387500256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387500257) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3994800 + ... + 3994896.

It is an arithmetic number, because the mean of its divisors is an integer number (6055959).

Almost surely, 2^387500256 is an apocalyptic number.

387500256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387500256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654043572).

387500256 is an abundant number, since it is smaller than the sum of its proper divisors (920586888).

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

387500256 is a wasteful number, since it uses less digits than its factorization.

387500256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 387500256 is about 19685.0261874350. The cubic root of 387500256 is about 729.0500284611.

The spelling of 387500256 in words is "three hundred eighty-seven million, five hundred thousand, two hundred fifty-six".