3978698360 has 256 divisors, whose sum is σ = 11789971200. Its totient is φ = 1172570112.

The previous prime is 3978698359. The next prime is 3978698371. The reversal of 3978698360 is 638968793.

It is a self number, because there is not a number n which added to its sum of digits gives 3978698360.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6992156 + ... + 6992724.

It is an arithmetic number, because the mean of its divisors is an integer number (46054575).

Almost surely, 2^3978698360 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 3978698360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5894985600).

3978698360 is an abundant number, since it is smaller than the sum of its proper divisors (7811272840).

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

3978698360 is a wasteful number, since it uses less digits than its factorization.

3978698360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 59.

The square root of 3978698360 is about 63076.9241482176. The cubic root of 3978698360 is about 1584.5781812288.

The spelling of 3978698360 in words is "three billion, nine hundred seventy-eight million, six hundred ninety-eight thousand, three hundred sixty".