234681 has 8 divisors (see below), whose sum is σ = 315744. Its totient is φ = 155040.

The previous prime is 234673. The next prime is 234683. The reversal of 234681 is 186432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 234681 - 2³ = 234673 is a prime.

It is a super-2 number, since 2×234681² = 110150343522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234683) 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, 126 + ... + 696.

It is an arithmetic number, because the mean of its divisors is an integer number (39468).

2²³⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

234681 is a deficient number, since it is larger than the sum of its proper divisors (81063).

234681 is a wasteful number, since it uses less digits than its factorization.

234681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711.

The product of its digits is 1152, while the sum is 24.

The square root of 234681 is about 484.4388506303. The cubic root of 234681 is about 61.6821225766.

The spelling of 234681 in words is "two hundred thirty-four thousand, six hundred eighty-one".