417423493 has 4 divisors (see below), whose sum is σ = 417932748. Its totient is φ = 416914240.

The previous prime is 417423451. The next prime is 417423499. The reversal of 417423493 is 394324714.

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 313750369 + 103673124 = 17713^2 + 10182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417423493 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 (417423499) 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, 253396 + ... + 255037.

It is an arithmetic number, because the mean of its divisors is an integer number (104483187).

Almost surely, 2^417423493 is an apocalyptic number.

It is an amenable number.

417423493 is a deficient number, since it is larger than the sum of its proper divisors (509255).

417423493 is an equidigital number, since it uses as much as digits as its factorization.

417423493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509254.

The product of its digits is 72576, while the sum is 37.

The square root of 417423493 is about 20430.9444960335. The cubic root of 417423493 is about 747.3527369173.

The spelling of 417423493 in words is "four hundred seventeen million, four hundred twenty-three thousand, four hundred ninety-three".