4990609 has 8 divisors (see below), whose sum is σ = 5608512. Its totient is φ = 4406160.

The previous prime is 4990603. The next prime is 4990613. The reversal of 4990609 is 9060994.

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

It is a cyclic number.

It is not a de Polignac number, because 4990609 - 2⁵ = 4990577 is a prime.

4990609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4990603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8047 + ... + 8644.

It is an arithmetic number, because the mean of its divisors is an integer number (701064).

Almost surely, 2^4990609 is an apocalyptic number.

It is an amenable number.

4990609 is a deficient number, since it is larger than the sum of its proper divisors (617903).

4990609 is a wasteful number, since it uses less digits than its factorization.

4990609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16727.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 4990609 is about 2233.9670991311. The cubic root of 4990609 is about 170.8904716794.

The spelling of 4990609 in words is "four million, nine hundred ninety thousand, six hundred nine".