426632417 has 4 divisors (see below), whose sum is σ = 426699540. Its totient is φ = 426565296.

The previous prime is 426632413. The next prime is 426632449. The reversal of 426632417 is 714236624.

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 187032976 + 239599441 = 13676^2 + 15479^2 .

It is a cyclic number.

It is not a de Polignac number, because 426632417 - 2² = 426632413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426632411) 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, 22898 + ... + 37115.

It is an arithmetic number, because the mean of its divisors is an integer number (106674885).

Almost surely, 2^426632417 is an apocalyptic number.

It is an amenable number.

426632417 is a deficient number, since it is larger than the sum of its proper divisors (67123).

426632417 is an equidigital number, since it uses as much as digits as its factorization.

426632417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67122.

The product of its digits is 48384, while the sum is 35.

The square root of 426632417 is about 20655.0821107058. The cubic root of 426632417 is about 752.8086787094.

The spelling of 426632417 in words is "four hundred twenty-six million, six hundred thirty-two thousand, four hundred seventeen".