235947 has 4 divisors (see below), whose sum is σ = 314600. Its totient is φ = 157296.

The previous prime is 235927. The next prime is 235951. The reversal of 235947 is 749532.

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

It is a de Polignac number, because none of the positive numbers 2^k-235947 is a prime.

It is a D-number.

It is a Duffinian number.

235947 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (235927) 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 3 ways as a sum of consecutive naturals, for example, 39322 + ... + 39327.

It is an arithmetic number, because the mean of its divisors is an integer number (78650).

2²³⁵⁹⁴⁷ is an apocalyptic number.

235947 is a deficient number, since it is larger than the sum of its proper divisors (78653).

235947 is an equidigital number, since it uses as much as digits as its factorization.

235947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78652.

The product of its digits is 7560, while the sum is 30.

The square root of 235947 is about 485.7437596099. The cubic root of 235947 is about 61.7928396308.

The spelling of 235947 in words is "two hundred thirty-five thousand, nine hundred forty-seven".