4989743 has 8 divisors (see below), whose sum is σ = 5460480. Its totient is φ = 4521880.

The previous prime is 4989713. The next prime is 4989757. The reversal of 4989743 is 3479894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4989743 - 2¹⁰ = 4988719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4989694 and 4989703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989713) 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 in 7 ways as a sum of consecutive naturals, for example, 4796 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (682560).

Almost surely, 2^4989743 is an apocalyptic number.

4989743 is a deficient number, since it is larger than the sum of its proper divisors (470737).

4989743 is a wasteful number, since it uses less digits than its factorization.

4989743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437.

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

The square root of 4989743 is about 2233.7732651279. The cubic root of 4989743 is about 170.8805864657.

The spelling of 4989743 in words is "four million, nine hundred eighty-nine thousand, seven hundred forty-three".