33828775 has 12 divisors (see below), whose sum is σ = 42033024. Its totient is φ = 27008000.

The previous prime is 33828763. The next prime is 33828779. The reversal of 33828775 is 57782833.

It is not a de Polignac number, because 33828775 - 2⁷ = 33828647 is a prime.

It is a super-2 number, since 2×33828775² = 2288772036001250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33828779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14970 + ... + 17080.

It is an arithmetic number, because the mean of its divisors is an integer number (3502752).

Almost surely, 2^33828775 is an apocalyptic number.

33828775 is a deficient number, since it is larger than the sum of its proper divisors (8204249).

33828775 is a wasteful number, since it uses less digits than its factorization.

33828775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 2757 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 33828775 is about 5816.2509402535. The cubic root of 33828775 is about 323.4164386466.

The spelling of 33828775 in words is "thirty-three million, eight hundred twenty-eight thousand, seven hundred seventy-five".