4989579 has 16 divisors (see below), whose sum is σ = 7748352. Its totient is φ = 2796768.

The previous prime is 4989541. The next prime is 4989581. The reversal of 4989579 is 9759894.

It is a happy number.

It is not a de Polignac number, because 4989579 - 2⁷ = 4989451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4989599) 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, 1129 + ... + 3354.

It is an arithmetic number, because the mean of its divisors is an integer number (484272).

Almost surely, 2^4989579 is an apocalyptic number.

4989579 is a deficient number, since it is larger than the sum of its proper divisors (2758773).

4989579 is a wasteful number, since it uses less digits than its factorization.

4989579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546.

The product of its digits is 816480, while the sum is 51.

The square root of 4989579 is about 2233.7365556395. The cubic root of 4989579 is about 170.8787143103.

The spelling of 4989579 in words is "four million, nine hundred eighty-nine thousand, five hundred seventy-nine".