4723989 has 16 divisors (see below), whose sum is σ = 6681600. Its totient is φ = 2960496.

The previous prime is 4723987. The next prime is 4724047. The reversal of 4723989 is 9893274.

It is not a de Polignac number, because 4723989 - 2¹ = 4723987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4723989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4723981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9972 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (417600).

Almost surely, 2^4723989 is an apocalyptic number.

It is an amenable number.

4723989 is a deficient number, since it is larger than the sum of its proper divisors (1957611).

4723989 is a wasteful number, since it uses less digits than its factorization.

4723989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664.

The product of its digits is 108864, while the sum is 42.

The square root of 4723989 is about 2173.4739473939. The cubic root of 4723989 is about 167.7913722625.

The spelling of 4723989 in words is "four million, seven hundred twenty-three thousand, nine hundred eighty-nine".