6147409 has 4 divisors (see below), whose sum is σ = 6290416. Its totient is φ = 6004404.

The previous prime is 6147389. The next prime is 6147419. The reversal of 6147409 is 9047416.

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.

It is a cyclic number.

It is not a de Polignac number, because 6147409 - 2⁵ = 6147377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6147419) 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, 71439 + ... + 71524.

It is an arithmetic number, because the mean of its divisors is an integer number (1572604).

Almost surely, 2^6147409 is an apocalyptic number.

It is an amenable number.

6147409 is a deficient number, since it is larger than the sum of its proper divisors (143007).

6147409 is a wasteful number, since it uses less digits than its factorization.

6147409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143006.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 6147409 is about 2479.3969024745. The cubic root of 6147409 is about 183.1881469452.

It can be divided in two parts, 6147 and 409, that added together give a palindrome (6556).

The spelling of 6147409 in words is "six million, one hundred forty-seven thousand, four hundred nine".