234387 has 8 divisors (see below), whose sum is σ = 347280. Its totient is φ = 156240.
The previous prime is 234383. The next prime is 234431. The reversal of 234387 is 783432.
234387 is nontrivially palindromic in base 16.
It is not a de Polignac number, because 234387 - 22 = 234383 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8681 = 234387 / (2 + 3 + 4 + 3 + 8 + 7).
It is an alternating number because its digits alternate between even and odd.
234387 is an undulating number in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 234387.
It is not an unprimeable number, because it can be changed into a prime (234383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4314 + ... + 4367.
It is an arithmetic number, because the mean of its divisors is an integer number (43410).
234387 is a Friedman number, since it can be written as 8+4+3*(3+2)^7, using all its digits and the basic arithmetic operations.
2234387 is an apocalyptic number.
234387 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
234387 is a deficient number, since it is larger than the sum of its proper divisors (112893).
234387 is an equidigital number, since it uses as much as digits as its factorization.
234387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8690 (or 8684 counting only the distinct ones).
The product of its digits is 4032, while the sum is 27.
The square root of 234387 is about 484.1353116640. The cubic root of 234387 is about 61.6563540908.
It can be divided in two parts, 2343 and 87, that multiplied together give a triangular number (203841 = T638).
The spelling of 234387 in words is "two hundred thirty-four thousand, three hundred eighty-seven".
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