4821939 has 6 divisors (see below), whose sum is σ = 6965036. Its totient is φ = 3214620.

The previous prime is 4821937. The next prime is 4821997. The reversal of 4821939 is 9391284.

4821939 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4821939 - 2¹ = 4821937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4821937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 267877 + ... + 267894.

Almost surely, 2^4821939 is an apocalyptic number.

4821939 is a deficient number, since it is larger than the sum of its proper divisors (2143097).

4821939 is a wasteful number, since it uses less digits than its factorization.

4821939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535777 (or 535774 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 4821939 is about 2195.8913907568. The cubic root of 4821939 is about 168.9431434616.

The spelling of 4821939 in words is "four million, eight hundred twenty-one thousand, nine hundred thirty-nine".