8061909 has 16 divisors (see below), whose sum is σ = 11489280. Its totient is φ = 5013360.

The previous prime is 8061899. The next prime is 8061923. The reversal of 8061909 is 9091608.

It is a happy number.

8061909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8061909 - 2⁵ = 8061877 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8061909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8061929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764 + ... + 4874.

It is an arithmetic number, because the mean of its divisors is an integer number (718080).

Almost surely, 2^8061909 is an apocalyptic number.

It is an amenable number.

8061909 is a deficient number, since it is larger than the sum of its proper divisors (3427371).

8061909 is a wasteful number, since it uses less digits than its factorization.

8061909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 8061909 is about 2839.3501016958. The cubic root of 8061909 is about 200.5145832184.

The spelling of 8061909 in words is "eight million, sixty-one thousand, nine hundred nine".