8073909 has 6 divisors (see below), whose sum is σ = 11662326. Its totient is φ = 5382600.

The previous prime is 8073893. The next prime is 8073911. The reversal of 8073909 is 9093708.

It can be written as a sum of positive squares in only one way, i.e., 6874884 + 1199025 = 2622^2 + 1095^2 .

It is not a de Polignac number, because 8073909 - 2⁴ = 8073893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8073959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448542 + ... + 448559.

It is an arithmetic number, because the mean of its divisors is an integer number (1943721).

Almost surely, 2^8073909 is an apocalyptic number.

It is an amenable number.

8073909 is a deficient number, since it is larger than the sum of its proper divisors (3588417).

8073909 is a wasteful number, since it uses less digits than its factorization.

8073909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897107 (or 897104 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 8073909 is about 2841.4624755573. The cubic root of 8073909 is about 200.6140212934.

The spelling of 8073909 in words is "eight million, seventy-three thousand, nine hundred nine".