3976352856 has 192 divisors, whose sum is σ = 13076743680. Its totient is φ = 1108235520.

The previous prime is 3976352843. The next prime is 3976352867. The reversal of 3976352856 is 6582536793.

It is a happy number.

3976352856 is a `hidden beast` number, since 3 + 9 + 7 + 63 + 528 + 56 = 666.

It is a super-2 number, since 2×3976352856² = 31622764070838713472, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 554365 + ... + 561491.

It is an arithmetic number, because the mean of its divisors is an integer number (68108040).

Almost surely, 2^3976352856 is an apocalyptic number.

3976352856 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 3976352856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6538371840).

3976352856 is an abundant number, since it is smaller than the sum of its proper divisors (9100390824).

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

3976352856 is a wasteful number, since it uses less digits than its factorization.

3976352856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7196 (or 7180 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 3976352856 is about 63058.3289978414. The cubic root of 3976352856 is about 1584.2667422687.

The spelling of 3976352856 in words is "three billion, nine hundred seventy-six million, three hundred fifty-two thousand, eight hundred fifty-six".