8423417 has 4 divisors (see below), whose sum is σ = 8480100. Its totient is φ = 8366736.

The previous prime is 8423407. The next prime is 8423419. The reversal of 8423417 is 7143248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 7862416 = 749^2 + 2804^2 .

It is a cyclic number.

It is not a de Polignac number, because 8423417 - 2⁶ = 8423353 is a prime.

It is a d-powerful number, because it can be written as 8³ + 4⁵ + 2²³ + 3⁴ + 4⁷ + 1 + 7⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8423417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423419) 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, 28118 + ... + 28415.

It is an arithmetic number, because the mean of its divisors is an integer number (2120025).

Almost surely, 2^8423417 is an apocalyptic number.

It is an amenable number.

8423417 is a deficient number, since it is larger than the sum of its proper divisors (56683).

8423417 is a wasteful number, since it uses less digits than its factorization.

8423417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56682.

The product of its digits is 5376, while the sum is 29.

The square root of 8423417 is about 2902.3123539688. The cubic root of 8423417 is about 203.4679925593.

The spelling of 8423417 in words is "eight million, four hundred twenty-three thousand, four hundred seventeen".