33138282 has 16 divisors (see below), whose sum is σ = 66350592. Its totient is φ = 11033760.

The previous prime is 33138257. The next prime is 33138283. The reversal of 33138282 is 28283133.

It is not an unprimeable number, because it can be changed into a prime (33138283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3982 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (4146912).

Almost surely, 2^33138282 is an apocalyptic number.

33138282 is an abundant number, since it is smaller than the sum of its proper divisors (33212310).

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

33138282 is a wasteful number, since it uses less digits than its factorization.

33138282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173.

The product of its digits is 6912, while the sum is 30.

The square root of 33138282 is about 5756.5859673942. The cubic root of 33138282 is about 321.2008331645.

The spelling of 33138282 in words is "thirty-three million, one hundred thirty-eight thousand, two hundred eighty-two".