3945847360 has 224 divisors, whose sum is σ = 11644335360. Its totient is φ = 1240178688.

The previous prime is 3945847337. The next prime is 3945847481. The reversal of 3945847360 is 637485493.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×3945847360² = 31139422776837939200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5212102 + ... + 5212858.

It is an arithmetic number, because the mean of its divisors is an integer number (51983640).

Almost surely, 2^3945847360 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 3945847360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5822167680).

3945847360 is an abundant number, since it is smaller than the sum of its proper divisors (7698488000).

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

3945847360 is a wasteful number, since it uses less digits than its factorization.

3945847360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 3945847360 is about 62815.9801324472. The cubic root of 3945847360 is about 1580.2049832860.

The spelling of 3945847360 in words is "three billion, nine hundred forty-five million, eight hundred forty-seven thousand, three hundred sixty".