33828238 has 4 divisors (see below), whose sum is σ = 50742360. Its totient is φ = 16914118.

The previous prime is 33828217. The next prime is 33828241. The reversal of 33828238 is 83282833.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×33828238² = 2288699372369288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33828197 and 33828206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8457058 + ... + 8457061.

It is an arithmetic number, because the mean of its divisors is an integer number (12685590).

Almost surely, 2^33828238 is an apocalyptic number.

33828238 is a deficient number, since it is larger than the sum of its proper divisors (16914122).

33828238 is a wasteful number, since it uses less digits than its factorization.

33828238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16914121.

The product of its digits is 55296, while the sum is 37.

The square root of 33828238 is about 5816.2047763125. The cubic root of 33828238 is about 323.4147273269.

The spelling of 33828238 in words is "thirty-three million, eight hundred twenty-eight thousand, two hundred thirty-eight".