232491 has 8 divisors (see below), whose sum is σ = 354304. Its totient is φ = 132840.

The previous prime is 232487. The next prime is 232499. The reversal of 232491 is 194232.

232491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 232491 - 2² = 232487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11071 = 232491 / (2 + 3 + 2 + 4 + 9 + 1).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 232491.

It is not an unprimeable number, because it can be changed into a prime (232499) 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, 5515 + ... + 5556.

It is an arithmetic number, because the mean of its divisors is an integer number (44288).

2²³²⁴⁹¹ is an apocalyptic number.

232491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

232491 is a deficient number, since it is larger than the sum of its proper divisors (121813).

232491 is a wasteful number, since it uses less digits than its factorization.

232491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11081.

The product of its digits is 432, while the sum is 21.

The square root of 232491 is about 482.1732053941. The cubic root of 232491 is about 61.4896538878.

It can be divided in two parts, 2324 and 91, that added together give a triangular number (2415 = T₆₉).

The spelling of 232491 in words is "two hundred thirty-two thousand, four hundred ninety-one".