427420 has 48 divisors (see below), whose sum is σ = 1064448. Its totient is φ = 141120.

The previous prime is 427417. The next prime is 427421. The reversal of 427420 is 24724.

427420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×427420³ = 234253330747464000, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5985 + ... + 6055.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2⁴²⁷⁴²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532224).

427420 is an abundant number, since it is smaller than the sum of its proper divisors (637028).

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

427420 is a wasteful number, since it uses less digits than its factorization.

427420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 427420 is about 653.7736611397. The cubic root of 427420 is about 75.3271633725.

The spelling of 427420 in words is "four hundred twenty-seven thousand, four hundred twenty", and thus it is an iban number.