427164 has 12 divisors (see below), whose sum is σ = 996744. Its totient is φ = 142384.

The previous prime is 427151. The next prime is 427169. The reversal of 427164 is 461724.

427164 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427169) by changing a digit.

427164 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17787 + ... + 17810.

It is an arithmetic number, because the mean of its divisors is an integer number (83062).

2⁴²⁷¹⁶⁴ is an apocalyptic number.

It is an amenable number.

427164 is an abundant number, since it is smaller than the sum of its proper divisors (569580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427164 is a wasteful number, since it uses less digits than its factorization.

427164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35604 (or 35602 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 427164 is about 653.5778454018. The cubic root of 427164 is about 75.3121214893.

Adding to 427164 its reverse (461724), we get a palindrome (888888).

The spelling of 427164 in words is "four hundred twenty-seven thousand, one hundred sixty-four".