4209916 has 6 divisors (see below), whose sum is σ = 7367360. Its totient is φ = 2104956.

The previous prime is 4209913. The next prime is 4209929. The reversal of 4209916 is 6199024.

It is a happy number.

4209916 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4209911) 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 as a sum of consecutive naturals, namely, 526236 + ... + 526243.

Almost surely, 2^4209916 is an apocalyptic number.

It is an amenable number.

4209916 is a deficient number, since it is larger than the sum of its proper divisors (3157444).

4209916 is a wasteful number, since it uses less digits than its factorization.

4209916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052483 (or 1052481 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 4209916 is about 2051.8079832187. The cubic root of 4209916 is about 161.4697390800.

The spelling of 4209916 in words is "four million, two hundred nine thousand, nine hundred sixteen".