427089 has 16 divisors (see below), whose sum is σ = 628992. Its totient is φ = 256128.
The previous prime is 427081. The next prime is 427103. The reversal of 427089 is 980724.
427089 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 427089 - 23 = 427081 is a prime.
427089 is strictly pandigital in base 7.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427089.
It is not an unprimeable number, because it can be changed into a prime (427081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717 + ... + 1949.
It is an arithmetic number, because the mean of its divisors is an integer number (39312).
2427089 is an apocalyptic number.
It is an amenable number.
427089 is a deficient number, since it is larger than the sum of its proper divisors (201903).
427089 is a wasteful number, since it uses less digits than its factorization.
427089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 427089 is about 653.5204663972. The cubic root of 427089 is about 75.3077135494.
The spelling of 427089 in words is "four hundred twenty-seven thousand, eighty-nine".
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