4891323 has 4 divisors (see below), whose sum is σ = 6521768. Its totient is φ = 3260880.

The previous prime is 4891307. The next prime is 4891331. The reversal of 4891323 is 3231984.

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

It is not a de Polignac number, because 4891323 - 2⁴ = 4891307 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4891333) 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, 815218 + ... + 815223.

It is an arithmetic number, because the mean of its divisors is an integer number (1630442).

Almost surely, 2^4891323 is an apocalyptic number.

4891323 is a deficient number, since it is larger than the sum of its proper divisors (1630445).

4891323 is a wasteful number, since it uses less digits than its factorization.

4891323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630444.

The product of its digits is 5184, while the sum is 30.

The square root of 4891323 is about 2211.6335591594. The cubic root of 4891323 is about 169.7496083130.

The spelling of 4891323 in words is "four million, eight hundred ninety-one thousand, three hundred twenty-three".