3886880256 has 240 divisors, whose sum is σ = 13298148864. Its totient is φ = 1110288384.

The previous prime is 3886880251. The next prime is 3886880267. The reversal of 3886880256 is 6520886883.

3886880256 is a `hidden beast` number, since 388 + 6 + 8 + 8 + 0 + 256 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886880251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868681 + ... + 873143.

Almost surely, 2^3886880256 is an apocalyptic number.

3886880256 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 3886880256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6649074432).

3886880256 is an abundant number, since it is smaller than the sum of its proper divisors (9411268608).

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

3886880256 is an frugal number, since it uses more digits than its factorization.

3886880256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503 (or 4475 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The square root of 3886880256 is about 62344.8494745155. The cubic root of 3886880256 is about 1572.2938673271.

The spelling of 3886880256 in words is "three billion, eight hundred eighty-six million, eight hundred eighty thousand, two hundred fifty-six".