4846921 has 4 divisors (see below), whose sum is σ = 5132052. Its totient is φ = 4561792.

The previous prime is 4846901. The next prime is 4846927. The reversal of 4846921 is 1296484.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4410000 + 436921 = 2100^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 4846921 - 2⁹ = 4846409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4846927) 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, 142540 + ... + 142573.

It is an arithmetic number, because the mean of its divisors is an integer number (1283013).

Almost surely, 2^4846921 is an apocalyptic number.

It is an amenable number.

4846921 is a deficient number, since it is larger than the sum of its proper divisors (285131).

4846921 is a wasteful number, since it uses less digits than its factorization.

4846921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285130.

The product of its digits is 13824, while the sum is 34.

The square root of 4846921 is about 2201.5723926321. The cubic root of 4846921 is about 169.2344004148.

The spelling of 4846921 in words is "four million, eight hundred forty-six thousand, nine hundred twenty-one".