6434917 has 4 divisors (see below), whose sum is σ = 6714720. Its totient is φ = 6155116.

The previous prime is 6434899. The next prime is 6434921. The reversal of 6434917 is 7194346.

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: 7194346 = 2 ⋅3597173.

It is a cyclic number.

It is not a de Polignac number, because 6434917 - 2¹¹ = 6432869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139867 + ... + 139912.

It is an arithmetic number, because the mean of its divisors is an integer number (1678680).

Almost surely, 2^6434917 is an apocalyptic number.

It is an amenable number.

6434917 is a deficient number, since it is larger than the sum of its proper divisors (279803).

6434917 is a wasteful number, since it uses less digits than its factorization.

6434917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279802.

The product of its digits is 18144, while the sum is 34.

The square root of 6434917 is about 2536.7138190975. The cubic root of 6434917 is about 186.0005877347. Note that the first 3 decimals are identical.

The spelling of 6434917 in words is "six million, four hundred thirty-four thousand, nine hundred seventeen".