426546 has 20 divisors (see below), whose sum is σ = 956142. Its totient is φ = 142128.

The previous prime is 426541. The next prime is 426551. The reversal of 426546 is 645624.

It is a happy number.

426546 is a `hidden beast` number, since 4 + 2 + 654 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (426541) and next prime (426551).

It can be written as a sum of positive squares in only one way, i.e., 408321 + 18225 = 639^2 + 135^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (426541) 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 9 ways as a sum of consecutive naturals, for example, 1155 + ... + 1478.

2⁴²⁶⁵⁴⁶ is an apocalyptic number.

426546 is an abundant number, since it is smaller than the sum of its proper divisors (529596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426546 is a wasteful number, since it uses less digits than its factorization.

426546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647 (or 2638 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 426546 is about 653.1048920350. The cubic root of 426546 is about 75.2757846613.

The spelling of 426546 in words is "four hundred twenty-six thousand, five hundred forty-six".