3847212330 has 48 divisors (see below), whose sum is σ = 9998212320. Its totient is φ = 947004864.

The previous prime is 3847212287. The next prime is 3847212337. The reversal of 3847212330 is 332127483.

It is a junction number, because it is equal to n+sod(n) for n = 3847212291 and 3847212300.

It is not an unprimeable number, because it can be changed into a prime (3847212337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374340 + ... + 384479.

It is an arithmetic number, because the mean of its divisors is an integer number (208296090).

Almost surely, 2^3847212330 is an apocalyptic number.

3847212330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3847212330 is an abundant number, since it is smaller than the sum of its proper divisors (6150999990).

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

3847212330 is a wasteful number, since it uses less digits than its factorization.

3847212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758855 (or 758842 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 3847212330 is about 62025.9004771394. The cubic root of 3847212330 is about 1566.9268362753.

The spelling of 3847212330 in words is "three billion, eight hundred forty-seven million, two hundred twelve thousand, three hundred thirty".