4989071 has 4 divisors (see below), whose sum is σ = 4998000. Its totient is φ = 4980144.

The previous prime is 4989067. The next prime is 4989079. The reversal of 4989071 is 1709894.

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

It is a cyclic number.

It is not a de Polignac number, because 4989071 - 2² = 4989067 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 (4989079) 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, 3566 + ... + 4763.

It is an arithmetic number, because the mean of its divisors is an integer number (1249500).

Almost surely, 2^4989071 is an apocalyptic number.

4989071 is a deficient number, since it is larger than the sum of its proper divisors (8929).

4989071 is an equidigital number, since it uses as much as digits as its factorization.

4989071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8928.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 4989071 is about 2233.6228419319. The cubic root of 4989071 is about 170.8729149344.

The spelling of 4989071 in words is "four million, nine hundred eighty-nine thousand, seventy-one".