234861 has 12 divisors (see below), whose sum is σ = 344736. Its totient is φ = 142120.
The previous prime is 234851. The next prime is 234863. The reversal of 234861 is 168432.
It is a happy number.
It is not a de Polignac number, because 234861 - 27 = 234733 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234863) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40 + ... + 686.
It is an arithmetic number, because the mean of its divisors is an integer number (28728).
2234861 is an apocalyptic number.
It is an amenable number.
234861 is a deficient number, since it is larger than the sum of its proper divisors (109875).
234861 is a wasteful number, since it uses less digits than its factorization.
234861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 672 (or 661 counting only the distinct ones).
The product of its digits is 1152, while the sum is 24.
The square root of 234861 is about 484.6245969820. The cubic root of 234861 is about 61.6978885805.
It can be divided in two parts, 23 and 4861, that added together give a palindrome (4884).
The spelling of 234861 in words is "two hundred thirty-four thousand, eight hundred sixty-one".
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