4996009 has 4 divisors (see below), whose sum is σ = 5010516. Its totient is φ = 4981504.

The previous prime is 4996003. The next prime is 4996049. The reversal of 4996009 is 9006994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 3027600 = 1403^2 + 1740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4996009 is a prime.

It is a Duffinian number.

4996009 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4996003) 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, 6724 + ... + 7429.

It is an arithmetic number, because the mean of its divisors is an integer number (1252629).

Almost surely, 2^4996009 is an apocalyptic number.

It is an amenable number.

4996009 is a deficient number, since it is larger than the sum of its proper divisors (14507).

4996009 is a wasteful number, since it uses less digits than its factorization.

4996009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14506.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 4996009 is about 2235.1753846175. The cubic root of 4996009 is about 170.9520857971.

The spelling of 4996009 in words is "four million, nine hundred ninety-six thousand, nine".