3974865696 has 72 divisors (see below), whose sum is σ = 11722196304. Its totient is φ = 1324952640.

The previous prime is 3974865673. The next prime is 3974865731. The reversal of 3974865696 is 6965684793.

3974865696 is a `hidden beast` number, since 3 + 97 + 486 + 5 + 69 + 6 = 666.

3974865696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247810 + ... + 263361.

It is an arithmetic number, because the mean of its divisors is an integer number (162808282).

Almost surely, 2^3974865696 is an apocalyptic number.

3974865696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3974865696 is an abundant number, since it is smaller than the sum of its proper divisors (7747330608).

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

3974865696 is an equidigital number, since it uses as much as digits as its factorization.

3974865696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511196 (or 511176 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 63.

The square root of 3974865696 is about 63046.5359555939. The cubic root of 3974865696 is about 1584.0692118518.

The spelling of 3974865696 in words is "three billion, nine hundred seventy-four million, eight hundred sixty-five thousand, six hundred ninety-six".