3847694880 has 48 divisors (see below), whose sum is σ = 12120240384. Its totient is φ = 1026051840.

The previous prime is 3847694831. The next prime is 3847694887. The reversal of 3847694880 is 884967483.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3847694880.

It is not an unprimeable number, because it can be changed into a prime (3847694887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4007536 + ... + 4008495.

It is an arithmetic number, because the mean of its divisors is an integer number (252505008).

Almost surely, 2^3847694880 is an apocalyptic number.

3847694880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3847694880 is an abundant number, since it is smaller than the sum of its proper divisors (8272545504).

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

3847694880 is a wasteful number, since it uses less digits than its factorization.

3847694880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8016049 (or 8016041 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 57.

The square root of 3847694880 is about 62029.7902624215. The cubic root of 3847694880 is about 1566.9923459543.

The spelling of 3847694880 in words is "three billion, eight hundred forty-seven million, six hundred ninety-four thousand, eight hundred eighty".