4998743 has 2 divisors, whose sum is σ = 4998744. Its totient is φ = 4998742.

The previous prime is 4998739. The next prime is 4998757. The reversal of 4998743 is 3478994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4998743 - 2² = 4998739 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4998694 and 4998703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4998713) 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, 2499371 + 2499372.

It is an arithmetic number, because the mean of its divisors is an integer number (2499372).

Almost surely, 2^4998743 is an apocalyptic number.

4998743 is a deficient number, since it is larger than the sum of its proper divisors (1).

4998743 is an equidigital number, since it uses as much as digits as its factorization.

4998743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 4998743 is about 2235.7868860873. The cubic root of 4998743 is about 170.9832638682.

The spelling of 4998743 in words is "four million, nine hundred ninety-eight thousand, seven hundred forty-three".