427385 has 8 divisors (see below), whose sum is σ = 586176. Its totient is φ = 293040.

The previous prime is 427381. The next prime is 427403. The reversal of 427385 is 583724.

It is a happy number.

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

It is not a de Polignac number, because 427385 - 2² = 427381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (427381) 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, 6071 + ... + 6140.

It is an arithmetic number, because the mean of its divisors is an integer number (73272).

2⁴²⁷³⁸⁵ is an apocalyptic number.

It is an amenable number.

427385 is a deficient number, since it is larger than the sum of its proper divisors (158791).

427385 is a wasteful number, since it uses less digits than its factorization.

427385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223.

The product of its digits is 6720, while the sum is 29.

The square root of 427385 is about 653.7468929180. The cubic root of 427385 is about 75.3251072195.

The spelling of 427385 in words is "four hundred twenty-seven thousand, three hundred eighty-five".