426547 has 8 divisors (see below), whose sum is σ = 492912. Its totient is φ = 364800.

The previous prime is 426541. The next prime is 426551. The reversal of 426547 is 745624.

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

It is a cyclic number.

It is not a de Polignac number, because 426547 - 2¹⁵ = 393779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (61614).

2⁴²⁶⁵⁴⁷ is an apocalyptic number.

426547 is a deficient number, since it is larger than the sum of its proper divisors (66365).

426547 is a wasteful number, since it uses less digits than its factorization.

426547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

The product of its digits is 6720, while the sum is 28.

The square root of 426547 is about 653.1056576083. The cubic root of 426547 is about 75.2758434871.

The spelling of 426547 in words is "four hundred twenty-six thousand, five hundred forty-seven".