4889923 has 2 divisors, whose sum is σ = 4889924. Its totient is φ = 4889922.

The previous prime is 4889921. The next prime is 4889933. The reversal of 4889923 is 3299884.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4889923 - 2¹ = 4889921 is a prime.

It is a super-2 number, since 2×4889923² = 47822693891858, which contains 22 as substring.

Together with 4889921, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4889923.

It is not a weakly prime, because it can be changed into another prime (4889921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2444961 + 2444962.

It is an arithmetic number, because the mean of its divisors is an integer number (2444962).

Almost surely, 2^4889923 is an apocalyptic number.

4889923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4889923 is an equidigital number, since it uses as much as digits as its factorization.

4889923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 4889923 is about 2211.3170283792. The cubic root of 4889923 is about 169.7334114594.

The spelling of 4889923 in words is "four million, eight hundred eighty-nine thousand, nine hundred twenty-three".