427611 has 4 divisors (see below), whose sum is σ = 570152. Its totient is φ = 285072.

The previous prime is 427597. The next prime is 427619. The reversal of 427611 is 116724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 427611 - 2⁵ = 427579 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427611.

It is not an unprimeable number, because it can be changed into a prime (427619) 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, 71266 + ... + 71271.

It is an arithmetic number, because the mean of its divisors is an integer number (142538).

2⁴²⁷⁶¹¹ is an apocalyptic number.

427611 is a deficient number, since it is larger than the sum of its proper divisors (142541).

427611 is a wasteful number, since it uses less digits than its factorization.

427611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142540.

The product of its digits is 336, while the sum is 21.

The square root of 427611 is about 653.9197198433. The cubic root of 427611 is about 75.3383821157.

The spelling of 427611 in words is "four hundred twenty-seven thousand, six hundred eleven".