231634 has 16 divisors (see below), whose sum is σ = 383040. Its totient is φ = 104400.

The previous prime is 231631. The next prime is 231643. The reversal of 231634 is 436132.

It is not an unprimeable number, because it can be changed into a prime (231631) 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, 1459 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2²³¹⁶³⁴ is an apocalyptic number.

231634 is a deficient number, since it is larger than the sum of its proper divisors (151406).

231634 is a wasteful number, since it uses less digits than its factorization.

231634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its digits is 432, while the sum is 19.

The square root of 231634 is about 481.2837001188. The cubic root of 231634 is about 61.4140072093.

Adding to 231634 its reverse (436132), we get a palindrome (667766).

The spelling of 231634 in words is "two hundred thirty-one thousand, six hundred thirty-four".