1304009 has 8 divisors (see below), whose sum is σ = 1505088. Its totient is φ = 1106640.

The previous prime is 1304003. The next prime is 1304029. The reversal of 1304009 is 9004031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304003) 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, 122 + ... + 1619.

It is an arithmetic number, because the mean of its divisors is an integer number (188136).

2^1304009 is an apocalyptic number.

It is an amenable number.

1304009 is a deficient number, since it is larger than the sum of its proper divisors (201079).

1304009 is a wasteful number, since it uses less digits than its factorization.

1304009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1304009 is about 1141.9321345859. The cubic root of 1304009 is about 109.2513627696.

The spelling of 1304009 in words is "one million, three hundred four thousand, nine".