426479 has 4 divisors (see below), whose sum is σ = 451584. Its totient is φ = 401376.

The previous prime is 426469. The next prime is 426487. The reversal of 426479 is 974624.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426479 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 (426469) 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, 12527 + ... + 12560.

It is an arithmetic number, because the mean of its divisors is an integer number (112896).

2⁴²⁶⁴⁷⁹ is an apocalyptic number.

426479 is a deficient number, since it is larger than the sum of its proper divisors (25105).

426479 is a wasteful number, since it uses less digits than its factorization.

426479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25104.

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

The square root of 426479 is about 653.0535965754. The cubic root of 426479 is about 75.2718431234.

The spelling of 426479 in words is "four hundred twenty-six thousand, four hundred seventy-nine".