8012409 has 8 divisors (see below), whose sum is σ = 10701120. Its totient is φ = 5332656.

The previous prime is 8012401. The next prime is 8012429. The reversal of 8012409 is 9042108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8012409 - 2³ = 8012401 is a prime.

8012409 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (1337640).

Almost surely, 2^8012409 is an apocalyptic number.

It is an amenable number.

8012409 is a deficient number, since it is larger than the sum of its proper divisors (2688711).

8012409 is a wasteful number, since it uses less digits than its factorization.

8012409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8012409 is about 2830.6198967717. The cubic root of 8012409 is about 200.1033549129.

The spelling of 8012409 in words is "eight million, twelve thousand, four hundred nine".