233369728 has 32 divisors (see below), whose sum is σ = 480955500. Its totient is φ = 112659456.

The previous prime is 233369677. The next prime is 233369749. The reversal of 233369728 is 827963332.

It can be written as a sum of positive squares in 2 ways, for example, as 226442304 + 6927424 = 15048^2 + 2632^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×233369728² = 108922859893587968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27723 + ... + 35146.

Almost surely, 2^233369728 is an apocalyptic number.

It is an amenable number.

233369728 is an abundant number, since it is smaller than the sum of its proper divisors (247585772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233369728 is an equidigital number, since it uses as much as digits as its factorization.

233369728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62912 (or 62900 counting only the distinct ones).

The product of its digits is 326592, while the sum is 43.

The square root of 233369728 is about 15276.4435651758. The cubic root of 233369728 is about 615.6702569837.

The spelling of 233369728 in words is "two hundred thirty-three million, three hundred sixty-nine thousand, seven hundred twenty-eight".