6409417 has 4 divisors (see below), whose sum is σ = 7325056. Its totient is φ = 5493780.

The previous prime is 6409409. The next prime is 6409471. The reversal of 6409417 is 7149046.

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: 7149046 = 2 ⋅3574523.

It is a cyclic number.

It is not a de Polignac number, because 6409417 - 2³ = 6409409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6409217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457809 + ... + 457822.

It is an arithmetic number, because the mean of its divisors is an integer number (1831264).

Almost surely, 2^6409417 is an apocalyptic number.

It is an amenable number.

6409417 is a deficient number, since it is larger than the sum of its proper divisors (915639).

6409417 is an equidigital number, since it uses as much as digits as its factorization.

6409417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915638.

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

The square root of 6409417 is about 2531.6826420387. The cubic root of 6409417 is about 185.7545708888.

The spelling of 6409417 in words is "six million, four hundred nine thousand, four hundred seventeen".