4887609 has 4 divisors (see below), whose sum is σ = 6516816. Its totient is φ = 3258404.

The previous prime is 4887601. The next prime is 4887611. The reversal of 4887609 is 9067884.

It is a happy number.

4887609 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4887609 - 2³ = 4887601 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4887601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814599 + ... + 814604.

It is an arithmetic number, because the mean of its divisors is an integer number (1629204).

Almost surely, 2^4887609 is an apocalyptic number.

It is an amenable number.

4887609 is a deficient number, since it is larger than the sum of its proper divisors (1629207).

4887609 is a wasteful number, since it uses less digits than its factorization.

4887609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629206.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 4887609 is about 2210.7937488603. The cubic root of 4887609 is about 169.7066335950.

The spelling of 4887609 in words is "four million, eight hundred eighty-seven thousand, six hundred nine".