3848421 has 4 divisors (see below), whose sum is σ = 5131232. Its totient is φ = 2565612.

The previous prime is 3848419. The next prime is 3848437. The reversal of 3848421 is 1248483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3848421 - 2¹ = 3848419 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3848491) by changing a digit.

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, 641401 + ... + 641406.

It is an arithmetic number, because the mean of its divisors is an integer number (1282808).

Almost surely, 2^3848421 is an apocalyptic number.

It is an amenable number.

3848421 is a deficient number, since it is larger than the sum of its proper divisors (1282811).

3848421 is a wasteful number, since it uses less digits than its factorization.

3848421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282810.

The product of its digits is 6144, while the sum is 30.

The square root of 3848421 is about 1961.7392793131. The cubic root of 3848421 is about 156.7090911715.

The spelling of 3848421 in words is "three million, eight hundred forty-eight thousand, four hundred twenty-one".