3847722 has 8 divisors (see below), whose sum is σ = 7695456. Its totient is φ = 1282572.

The previous prime is 3847721. The next prime is 3847777. The reversal of 3847722 is 2277483.

It is a sphenic number, since it is the product of 3 distinct primes.

3847722 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3847721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320638 + ... + 320649.

It is an arithmetic number, because the mean of its divisors is an integer number (961932).

Almost surely, 2^3847722 is an apocalyptic number.

3847722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3847722 is a wasteful number, since it uses less digits than its factorization.

3847722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641292.

The product of its digits is 18816, while the sum is 33.

The square root of 3847722 is about 1961.5611129914. The cubic root of 3847722 is about 156.6996027529.

The spelling of 3847722 in words is "three million, eight hundred forty-seven thousand, seven hundred twenty-two".