4782009 has 8 divisors (see below), whose sum is σ = 6484320. Its totient is φ = 3133856.

The previous prime is 4781993. The next prime is 4782023. The reversal of 4782009 is 9002874.

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 4782009 - 2⁴ = 4781993 is a prime.

It is a super-2 number, since 2×4782009² = 45735220152162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782409) 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, 13332 + ... + 13685.

It is an arithmetic number, because the mean of its divisors is an integer number (810540).

Almost surely, 2^4782009 is an apocalyptic number.

It is an amenable number.

4782009 is a deficient number, since it is larger than the sum of its proper divisors (1702311).

4782009 is a wasteful number, since it uses less digits than its factorization.

4782009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27079.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 4782009 is about 2186.7805102479. The cubic root of 4782009 is about 168.4755164642.

The spelling of 4782009 in words is "four million, seven hundred eighty-two thousand, nine".