233428658 has 8 divisors (see below), whose sum is σ = 350358528. Its totient is φ = 116642484.

The previous prime is 233428651. The next prime is 233428673. The reversal of 233428658 is 856824332.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (233428651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31766 + ... + 38417.

It is an arithmetic number, because the mean of its divisors is an integer number (43794816).

Almost surely, 2^233428658 is an apocalyptic number.

233428658 is a deficient number, since it is larger than the sum of its proper divisors (116929870).

233428658 is a wasteful number, since it uses less digits than its factorization.

233428658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71848.

The product of its digits is 276480, while the sum is 41.

The square root of 233428658 is about 15278.3722300512. The cubic root of 233428658 is about 615.7220751794.

The spelling of 233428658 in words is "two hundred thirty-three million, four hundred twenty-eight thousand, six hundred fifty-eight".