33828243 has 4 divisors (see below), whose sum is σ = 45104328. Its totient is φ = 22552160.

The previous prime is 33828241. The next prime is 33828251. The reversal of 33828243 is 34282833.

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

It is a cyclic number.

It is not a de Polignac number, because 33828243 - 2¹ = 33828241 is a prime.

It is a super-2 number, since 2×33828243² = 2288700048934098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33828241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5638038 + ... + 5638043.

It is an arithmetic number, because the mean of its divisors is an integer number (11276082).

Almost surely, 2^33828243 is an apocalyptic number.

33828243 is a deficient number, since it is larger than the sum of its proper divisors (11276085).

33828243 is a wasteful number, since it uses less digits than its factorization.

33828243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276084.

The product of its digits is 27648, while the sum is 33.

The square root of 33828243 is about 5816.2052061460. The cubic root of 33828243 is about 323.4147432611.

The spelling of 33828243 in words is "thirty-three million, eight hundred twenty-eight thousand, two hundred forty-three".