4949009 has 8 divisors (see below), whose sum is σ = 5474280. Its totient is φ = 4444416.

The previous prime is 4949003. The next prime is 4949027. The reversal of 4949009 is 9009494.

It can be written as a sum of positive squares in 4 ways, for example, as 1809025 + 3139984 = 1345^2 + 1772^2 .

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 4949009 - 2²⁰ = 3900433 is a prime.

It is an Ulam number.

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 4949009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949003) 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, 4664 + ... + 5625.

It is an arithmetic number, because the mean of its divisors is an integer number (684285).

Almost surely, 2^4949009 is an apocalyptic number.

It is an amenable number.

4949009 is a deficient number, since it is larger than the sum of its proper divisors (525271).

4949009 is a wasteful number, since it uses less digits than its factorization.

4949009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 4949009 is about 2224.6368242929. The cubic root of 4949009 is about 170.4143181375.

The spelling of 4949009 in words is "four million, nine hundred forty-nine thousand, nine".