3976858368 has 216 divisors, whose sum is σ = 13183113216. Its totient is φ = 1129420800.

The previous prime is 3976858321. The next prime is 3976858439. The reversal of 3976858368 is 8638586793.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3079803 + ... + 3081093.

Almost surely, 2^3976858368 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 3976858368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6591556608).

3976858368 is an abundant number, since it is smaller than the sum of its proper divisors (9206254848).

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

3976858368 is a wasteful number, since it uses less digits than its factorization.

3976858368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1494 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 3976858368 is about 63062.3371593537. The cubic root of 3976858368 is about 1584.3338751367. Note that the first 3 decimals are identical.

The spelling of 3976858368 in words is "three billion, nine hundred seventy-six million, eight hundred fifty-eight thousand, three hundred sixty-eight".