3847899 has 32 divisors (see below), whose sum is σ = 6255360. Its totient is φ = 2079360.

The previous prime is 3847897. The next prime is 3847927. The reversal of 3847899 is 9987483.

It is not a de Polignac number, because 3847899 - 2¹ = 3847897 is a prime.

3847899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3847897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202512 + ... + 202530.

It is an arithmetic number, because the mean of its divisors is an integer number (195480).

Almost surely, 2^3847899 is an apocalyptic number.

3847899 is a deficient number, since it is larger than the sum of its proper divisors (2407461).

3847899 is a wasteful number, since it uses less digits than its factorization.

3847899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 50 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 3847899 is about 1961.6062295986. The cubic root of 3847899 is about 156.7020055083.

The spelling of 3847899 in words is "three million, eight hundred forty-seven thousand, eight hundred ninety-nine".