33628326 has 16 divisors (see below), whose sum is σ = 68178864. Its totient is φ = 11055744.

The previous prime is 33628321. The next prime is 33628327. The reversal of 33628326 is 62382633.

It is a super-2 number, since 2×33628326² = 2261728619124552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33628321) 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 7 ways as a sum of consecutive naturals, for example, 37951 + ... + 38826.

It is an arithmetic number, because the mean of its divisors is an integer number (4261179).

Almost surely, 2^33628326 is an apocalyptic number.

33628326 is an abundant number, since it is smaller than the sum of its proper divisors (34550538).

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

33628326 is a wasteful number, since it uses less digits than its factorization.

33628326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76855.

The product of its digits is 31104, while the sum is 33.

The square root of 33628326 is about 5798.9935333642. The cubic root of 33628326 is about 322.7763822665.

The spelling of 33628326 in words is "thirty-three million, six hundred twenty-eight thousand, three hundred twenty-six".