426497 has 4 divisors (see below), whose sum is σ = 432576. Its totient is φ = 420420.

The previous prime is 426487. The next prime is 426527. The reversal of 426497 is 794624.

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.

It is a cyclic number.

It is not a de Polignac number, because 426497 - 2¹⁰ = 425473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2933 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (108144).

2⁴²⁶⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

426497 is a deficient number, since it is larger than the sum of its proper divisors (6079).

426497 is an equidigital number, since it uses as much as digits as its factorization.

426497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078.

The product of its digits is 12096, while the sum is 32.

The square root of 426497 is about 653.0673778409. The cubic root of 426497 is about 75.2729020846.

The spelling of 426497 in words is "four hundred twenty-six thousand, four hundred ninety-seven".