426266 has 4 divisors (see below), whose sum is σ = 639402. Its totient is φ = 213132.

The previous prime is 426253. The next prime is 426287. The reversal of 426266 is 662624.

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

It can be written as a sum of positive squares in only one way, i.e., 395641 + 30625 = 629^2 + 175^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565 + ... + 106568.

2⁴²⁶²⁶⁶ is an apocalyptic number.

426266 is a deficient number, since it is larger than the sum of its proper divisors (213136).

426266 is a wasteful number, since it uses less digits than its factorization.

426266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213135.

The product of its digits is 3456, while the sum is 26.

The square root of 426266 is about 652.8904961783. The cubic root of 426266 is about 75.2593098197.

The spelling of 426266 in words is "four hundred twenty-six thousand, two hundred sixty-six".