233947 has 8 divisors (see below), whose sum is σ = 281600. Its totient is φ = 189864.

The previous prime is 233941. The next prime is 233969. The reversal of 233947 is 749332.

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

It is a cyclic number.

It is not a de Polignac number, because 233947 - 2³ = 233939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233941) 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 7 ways as a sum of consecutive naturals, for example, 747 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (35200).

2²³³⁹⁴⁷ is an apocalyptic number.

233947 is a deficient number, since it is larger than the sum of its proper divisors (47653).

233947 is a wasteful number, since it uses less digits than its factorization.

233947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its digits is 4536, while the sum is 28.

The square root of 233947 is about 483.6806797878. The cubic root of 233947 is about 61.6177487227.

The spelling of 233947 in words is "two hundred thirty-three thousand, nine hundred forty-seven".