427544 has 16 divisors (see below), whose sum is σ = 863520. Its totient is φ = 197280.

The previous prime is 427541. The next prime is 427579. The reversal of 427544 is 445724.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427541) 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 3 ways as a sum of consecutive naturals, for example, 1952 + ... + 2159.

It is an arithmetic number, because the mean of its divisors is an integer number (53970).

2⁴²⁷⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

427544 is an abundant number, since it is smaller than the sum of its proper divisors (435976).

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

427544 is a wasteful number, since it uses less digits than its factorization.

427544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130 (or 4126 counting only the distinct ones).

The product of its digits is 4480, while the sum is 26.

The square root of 427544 is about 653.8684883063. The cubic root of 427544 is about 75.3344471255.

The spelling of 427544 in words is "four hundred twenty-seven thousand, five hundred forty-four".