3847955 has 4 divisors (see below), whose sum is σ = 4617552. Its totient is φ = 3078360.

The previous prime is 3847939. The next prime is 3848017. The reversal of 3847955 is 5597483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5597483 = 149 ⋅37567.

It is not a de Polignac number, because 3847955 - 2⁴ = 3847939 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384791 + ... + 384800.

It is an arithmetic number, because the mean of its divisors is an integer number (1154388).

Almost surely, 2^3847955 is an apocalyptic number.

3847955 is a deficient number, since it is larger than the sum of its proper divisors (769597).

3847955 is an equidigital number, since it uses as much as digits as its factorization.

3847955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769596.

The product of its digits is 151200, while the sum is 41.

The square root of 3847955 is about 1961.6205035633. The cubic root of 3847955 is about 156.7027656868.

The spelling of 3847955 in words is "three million, eight hundred forty-seven thousand, nine hundred fifty-five".