426277 has 8 divisors (see below), whose sum is σ = 450072. Its totient is φ = 403200.

The previous prime is 426253. The next prime is 426287. The reversal of 426277 is 772624.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 352836 = 271^2 + 594^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426277 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 (426287) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1377 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (56259).

2⁴²⁶²⁷⁷ is an apocalyptic number.

It is an amenable number.

426277 is a deficient number, since it is larger than the sum of its proper divisors (23795).

426277 is a wasteful number, since it uses less digits than its factorization.

426277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its digits is 4704, while the sum is 28.

The square root of 426277 is about 652.8989202013. The cubic root of 426277 is about 75.2599571817.

It can be divided in two parts, 426 and 277, that added together give a triangular number (703 = T₃₇).

The spelling of 426277 in words is "four hundred twenty-six thousand, two hundred seventy-seven".