3958358256 has 120 divisors (see below), whose sum is σ = 11475840896. Its totient is φ = 1272360960.

The previous prime is 3958358221. The next prime is 3958358263. The reversal of 3958358256 is 6528538593.

3958358256 is a `hidden beast` number, since 3 + 9 + 5 + 8 + 3 + 582 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1395816 + ... + 1398648.

Almost surely, 2^3958358256 is an apocalyptic number.

3958358256 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 3958358256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5737920448).

3958358256 is an abundant number, since it is smaller than the sum of its proper divisors (7517482640).

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

3958358256 is a wasteful number, since it uses less digits than its factorization.

3958358256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3182 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The square root of 3958358256 is about 62915.4850255484. The cubic root of 3958358256 is about 1581.8733129490.

The spelling of 3958358256 in words is "three billion, nine hundred fifty-eight million, three hundred fifty-eight thousand, two hundred fifty-six".