4988909 has 8 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 4847296.

The previous prime is 4988891. The next prime is 4988917. The reversal of 4988909 is 9098894.

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 4988909 - 2⁸ = 4988653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4988959) 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, 8117 + ... + 8709.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^4988909 is an apocalyptic number.

It is an amenable number.

4988909 is a deficient number, since it is larger than the sum of its proper divisors (143251).

4988909 is a wasteful number, since it uses less digits than its factorization.

4988909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 4988909 is about 2233.5865776817. The cubic root of 4988909 is about 170.8710654443.

The spelling of 4988909 in words is "four million, nine hundred eighty-eight thousand, nine hundred nine".