426677 has 4 divisors (see below), whose sum is σ = 441420. Its totient is φ = 411936.

The previous prime is 426661. The next prime is 426691. The reversal of 426677 is 776624.

It is a happy number.

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 271441 + 155236 = 521^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 426677 - 2⁴ = 426661 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426637) 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, 7328 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (110355).

2⁴²⁶⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

426677 is a deficient number, since it is larger than the sum of its proper divisors (14743).

426677 is a wasteful number, since it uses less digits than its factorization.

426677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14742.

The product of its digits is 14112, while the sum is 32.

The square root of 426677 is about 653.2051745049. The cubic root of 426677 is about 75.2834900580.

The spelling of 426677 in words is "four hundred twenty-six thousand, six hundred seventy-seven".