33590028 has 48 divisors (see below), whose sum is σ = 86607360. Its totient is φ = 10078464.

The previous prime is 33590027. The next prime is 33590047. The reversal of 33590028 is 82009533.

It is a happy number.

It is a super-2 number, since 2×33590028² = 2256579962081568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33589977 and 33590004.

It is not an unprimeable number, because it can be changed into a prime (33590021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113 + ... + 8271.

It is an arithmetic number, because the mean of its divisors is an integer number (1804320).

Almost surely, 2^33590028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33590028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43303680).

33590028 is an abundant number, since it is smaller than the sum of its proper divisors (53017332).

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

33590028 is a wasteful number, since it uses less digits than its factorization.

33590028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7206 (or 7204 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 33590028 is about 5795.6904679253. The cubic root of 33590028 is about 322.6538032081.

The spelling of 33590028 in words is "thirty-three million, five hundred ninety thousand, twenty-eight".