3847218072 has 16 divisors (see below), whose sum is σ = 9618045240. Its totient is φ = 1282406016.

The previous prime is 3847218049. The next prime is 3847218121. The reversal of 3847218072 is 2708127483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80150353 + ... + 80150400.

Almost surely, 2^3847218072 is an apocalyptic number.

It is an amenable number.

3847218072 is an abundant number, since it is smaller than the sum of its proper divisors (5770827168).

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

3847218072 is a wasteful number, since it uses less digits than its factorization.

3847218072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160300762 (or 160300758 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 3847218072 is about 62025.9467642373. The cubic root of 3847218072 is about 1566.9276158258.

The spelling of 3847218072 in words is "three billion, eight hundred forty-seven million, two hundred eighteen thousand, seventy-two".