427539 has 8 divisors (see below), whose sum is σ = 651520. Its totient is φ = 244296.

The previous prime is 427529. The next prime is 427541. The reversal of 427539 is 935724.

427539 = T₃₄₆ + T₃₄₇ + ... + T₃₅₂.

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

It is not a de Polignac number, because 427539 - 2⁴ = 427523 is a prime.

It is a Duffinian number.

427539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (427529) 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, 10159 + ... + 10200.

It is an arithmetic number, because the mean of its divisors is an integer number (81440).

2⁴²⁷⁵³⁹ is an apocalyptic number.

427539 is a deficient number, since it is larger than the sum of its proper divisors (223981).

427539 is a wasteful number, since it uses less digits than its factorization.

427539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20369.

The product of its digits is 7560, while the sum is 30.

The square root of 427539 is about 653.8646648963. The cubic root of 427539 is about 75.3341534530.

The spelling of 427539 in words is "four hundred twenty-seven thousand, five hundred thirty-nine".