4787009 has 4 divisors (see below), whose sum is σ = 4792320. Its totient is φ = 4781700.

The previous prime is 4786987. The next prime is 4787039. The reversal of 4787009 is 9007874.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9007874 = 2 ⋅4503937.

It is a cyclic number.

It is not a de Polignac number, because 4787009 - 2⁸ = 4786753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4787009.

It is not an unprimeable number, because it can be changed into a prime (4787039) 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, 929 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (1198080).

Almost surely, 2^4787009 is an apocalyptic number.

It is an amenable number.

4787009 is a deficient number, since it is larger than the sum of its proper divisors (5311).

4787009 is a wasteful number, since it uses less digits than its factorization.

4787009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 4787009 is about 2187.9234447302. The cubic root of 4787009 is about 168.5342145386.

The spelling of 4787009 in words is "four million, seven hundred eighty-seven thousand, nine".