3847956 has 48 divisors (see below), whose sum is σ = 10805760. Its totient is φ = 1041120.

The previous prime is 3847939. The next prime is 3848017. The reversal of 3847956 is 6597483.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (225120).

Almost surely, 2^3847956 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 3847956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5402880).

3847956 is an abundant number, since it is smaller than the sum of its proper divisors (6957804).

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

3847956 is a wasteful number, since it uses less digits than its factorization.

3847956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444 (or 2442 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 3847956 is about 1961.6207584546. The cubic root of 3847956 is about 156.7027792613.

The spelling of 3847956 in words is "three million, eight hundred forty-seven thousand, nine hundred fifty-six".