4990909 has 8 divisors (see below), whose sum is σ = 6222528. Its totient is φ = 3888960.

The previous prime is 4990891. The next prime is 4990919. The reversal of 4990909 is 9090994.

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 4990909 - 2⁷ = 4990781 is a prime.

It is a Duffinian number.

4990909 is a modest number, since divided by 909 gives 499 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32332 + ... + 32485.

It is an arithmetic number, because the mean of its divisors is an integer number (777816).

Almost surely, 2^4990909 is an apocalyptic number.

It is an amenable number.

4990909 is a deficient number, since it is larger than the sum of its proper divisors (1231619).

4990909 is a wasteful number, since it uses less digits than its factorization.

4990909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64835.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 4990909 is about 2234.0342432470. The cubic root of 4990909 is about 170.8938958516.

The spelling of 4990909 in words is "four million, nine hundred ninety thousand, nine hundred nine".