6000409 has 4 divisors (see below), whose sum is σ = 6316240. Its totient is φ = 5684580.

The previous prime is 6000403. The next prime is 6000427. The reversal of 6000409 is 9040006.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9040006 = 2 ⋅4520003.

It is a cyclic number.

It is not a de Polignac number, because 6000409 - 2⁵ = 6000377 is a prime.

It is a super-3 number, since 3×6000409³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 315811 = 6000409 / (6 + 0 + 0 + 0 + 4 + 0 + 9).

It is a Duffinian number.

6000409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6000403) 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 3 ways as a sum of consecutive naturals, for example, 157887 + ... + 157924.

It is an arithmetic number, because the mean of its divisors is an integer number (1579060).

Almost surely, 2^6000409 is an apocalyptic number.

It is an amenable number.

6000409 is a deficient number, since it is larger than the sum of its proper divisors (315831).

6000409 is a wasteful number, since it uses less digits than its factorization.

6000409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315830.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 6000409 is about 2449.5732281359. The cubic root of 6000409 is about 181.7161880912.

The spelling of 6000409 in words is "six million, four hundred nine", and thus it is an aban number.