4989605 has 8 divisors (see below), whose sum is σ = 6180864. Its totient is φ = 3862800.

The previous prime is 4989599. The next prime is 4989613. The reversal of 4989605 is 5069894.

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

It is not a de Polignac number, because 4989605 - 2⁶ = 4989541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15941 + ... + 16250.

It is an arithmetic number, because the mean of its divisors is an integer number (772608).

Almost surely, 2^4989605 is an apocalyptic number.

It is an amenable number.

4989605 is a deficient number, since it is larger than the sum of its proper divisors (1191259).

4989605 is a wasteful number, since it uses less digits than its factorization.

4989605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32227.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4989605 is about 2233.7423754766. The cubic root of 4989605 is about 170.8790111182.

The spelling of 4989605 in words is "four million, nine hundred eighty-nine thousand, six hundred five".