234487 has 4 divisors (see below), whose sum is σ = 255816. Its totient is φ = 213160.

The previous prime is 234473. The next prime is 234499. The reversal of 234487 is 784432.

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

It is a cyclic number.

It is not a de Polignac number, because 234487 - 2¹¹ = 232439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10648 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (63954).

2²³⁴⁴⁸⁷ is an apocalyptic number.

234487 is a deficient number, since it is larger than the sum of its proper divisors (21329).

234487 is a wasteful number, since it uses less digits than its factorization.

234487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21328.

The product of its digits is 5376, while the sum is 28.

The square root of 234487 is about 484.2385775628. The cubic root of 234487 is about 61.6651212988.

Subtracting 234487 from its reverse (784432), we obtain a palindrome (549945).

The spelling of 234487 in words is "two hundred thirty-four thousand, four hundred eighty-seven".