33528238 has 8 divisors (see below), whose sum is σ = 50420232. Its totient is φ = 16721496.

The previous prime is 33528221. The next prime is 33528241. The reversal of 33528238 is 83282533.

It is a happy number.

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

It is a super-2 number, since 2×33528238² = 2248285486769288, which contains 22 as substring.

It is a congruent number.

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, 20320 + ... + 21907.

It is an arithmetic number, because the mean of its divisors is an integer number (6302529).

Almost surely, 2^33528238 is an apocalyptic number.

33528238 is a deficient number, since it is larger than the sum of its proper divisors (16891994).

33528238 is a wasteful number, since it uses less digits than its factorization.

33528238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42626.

The product of its digits is 34560, while the sum is 34.

The square root of 33528238 is about 5790.3573292155. The cubic root of 33528238 is about 322.4558375519.

The spelling of 33528238 in words is "thirty-three million, five hundred twenty-eight thousand, two hundred thirty-eight".