8027409 has 16 divisors (see below), whose sum is σ = 11840192. Its totient is φ = 4805568.

The previous prime is 8027381. The next prime is 8027423. The reversal of 8027409 is 9047208.

It is not a de Polignac number, because 8027409 - 2¹¹ = 8025361 is a prime.

8027409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8027209) 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, 1339 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (740012).

Almost surely, 2^8027409 is an apocalyptic number.

It is an amenable number.

8027409 is a deficient number, since it is larger than the sum of its proper divisors (3812783).

8027409 is a wasteful number, since it uses less digits than its factorization.

8027409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8027409 is about 2833.2682541546. The cubic root of 8027409 is about 200.2281479769.

The spelling of 8027409 in words is "eight million, twenty-seven thousand, four hundred nine".