233286428 has 12 divisors (see below), whose sum is σ = 409879512. Its totient is φ = 116178000.

The previous prime is 233286419. The next prime is 233286463. The reversal of 233286428 is 824682332.

It is a junction number, because it is equal to n+sod(n) for n = 233286391 and 233286400.

It is a congruent number.

It is an unprimeable number.

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, 115175 + ... + 117182.

It is an arithmetic number, because the mean of its divisors is an integer number (34156626).

Almost surely, 2^233286428 is an apocalyptic number.

It is an amenable number.

233286428 is a deficient number, since it is larger than the sum of its proper divisors (176593084).

233286428 is a wasteful number, since it uses less digits than its factorization.

233286428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232612 (or 232610 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 233286428 is about 15273.7169019201. The cubic root of 233286428 is about 615.5969949314.

The spelling of 233286428 in words is "two hundred thirty-three million, two hundred eighty-six thousand, four hundred twenty-eight".