4946921 has 4 divisors (see below), whose sum is σ = 5653632. Its totient is φ = 4240212.

The previous prime is 4946899. The next prime is 4946923. The reversal of 4946921 is 1296494.

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 a cyclic number.

It is not a de Polignac number, because 4946921 - 2⁶ = 4946857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4946923) 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, 353345 + ... + 353358.

It is an arithmetic number, because the mean of its divisors is an integer number (1413408).

Almost surely, 2^4946921 is an apocalyptic number.

It is an amenable number.

4946921 is a deficient number, since it is larger than the sum of its proper divisors (706711).

4946921 is an equidigital number, since it uses as much as digits as its factorization.

4946921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706710.

The product of its digits is 15552, while the sum is 35.

The square root of 4946921 is about 2224.1674847007. The cubic root of 4946921 is about 170.3903486823.

The spelling of 4946921 in words is "four million, nine hundred forty-six thousand, nine hundred twenty-one".