427605 has 16 divisors (see below), whose sum is σ = 708480. Its totient is φ = 219968.

The previous prime is 427597. The next prime is 427619. The reversal of 427605 is 506724.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 427605 - 2³ = 427597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (44280).

2⁴²⁷⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

427605 is a deficient number, since it is larger than the sum of its proper divisors (280875).

427605 is a wasteful number, since it uses less digits than its factorization.

427605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 427605 is about 653.9151321081. The cubic root of 427605 is about 75.3380297452.

The spelling of 427605 in words is "four hundred twenty-seven thousand, six hundred five".