4967921 has 4 divisors (see below), whose sum is σ = 5677632. Its totient is φ = 4258212.

The previous prime is 4967917. The next prime is 4967923. The reversal of 4967921 is 1297694.

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 4967921 - 2² = 4967917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4967923) 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, 354845 + ... + 354858.

It is an arithmetic number, because the mean of its divisors is an integer number (1419408).

Almost surely, 2^4967921 is an apocalyptic number.

It is an amenable number.

4967921 is a deficient number, since it is larger than the sum of its proper divisors (709711).

4967921 is an equidigital number, since it uses as much as digits as its factorization.

4967921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709710.

The product of its digits is 27216, while the sum is 38.

The square root of 4967921 is about 2228.8833527127. The cubic root of 4967921 is about 170.6311143359.

The spelling of 4967921 in words is "four million, nine hundred sixty-seven thousand, nine hundred twenty-one".