427487 has 4 divisors (see below), whose sum is σ = 429240.
Its totient is φ = 425736.
The previous prime is 427477. The next prime is 427513. The reversal of 427487 is 784724.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 427487 - 26 = 427423 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427417) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437 + ... + 1022.
It is an arithmetic number, because the mean of its divisors is an integer number (107310).
2427487 is an apocalyptic number.
427487 is a deficient number, since it is larger than the sum of its proper divisors (1753).
427487 is a wasteful number, since it uses less digits than its factorization.
427487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1752.
The product of its digits is 12544, while the sum is 32.
The square root of 427487 is about 653.8249001071.
The cubic root of 427487 is about 75.3310991236.
The spelling of 427487 in words is "four hundred twenty-seven thousand, four hundred eighty-seven".