4909836 has 12 divisors (see below), whose sum is σ = 11456312. Its totient is φ = 1636608.

The previous prime is 4909823. The next prime is 4909837. The reversal of 4909836 is 6389094.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4909794 and 4909803.

It is not an unprimeable number, because it can be changed into a prime (4909837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204565 + ... + 204588.

Almost surely, 2^4909836 is an apocalyptic number.

It is an amenable number.

4909836 is an abundant number, since it is smaller than the sum of its proper divisors (6546476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4909836 is a wasteful number, since it uses less digits than its factorization.

4909836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409160 (or 409158 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4909836 is about 2215.8149742251. The cubic root of 4909836 is about 169.9634985069.

The spelling of 4909836 in words is "four million, nine hundred nine thousand, eight hundred thirty-six".