427549 has 8 divisors (see below), whose sum is σ = 447392. Its totient is φ = 408240.

The previous prime is 427541. The next prime is 427579. The reversal of 427549 is 945724.

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 427549 - 2³ = 427541 is a prime.

It is a Duffinian number.

427549 is a modest number, since divided by 549 gives 427 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 427549.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2542 + ... + 2704.

It is an arithmetic number, because the mean of its divisors is an integer number (55924).

2⁴²⁷⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

427549 is a deficient number, since it is larger than the sum of its proper divisors (19843).

427549 is a wasteful number, since it uses less digits than its factorization.

427549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 10080, while the sum is 31.

The square root of 427549 is about 653.8723116940. The cubic root of 427549 is about 75.3347407957.

The spelling of 427549 in words is "four hundred twenty-seven thousand, five hundred forty-nine".