33628533 has 16 divisors (see below), whose sum is σ = 47750976. Its totient is φ = 20977920.

The previous prime is 33628501. The next prime is 33628541. The reversal of 33628533 is 33582633.

It is not a de Polignac number, because 33628533 - 2⁵ = 33628501 is a prime.

It is a super-2 number, since 2×33628533² = 2261756463464178, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33628494 and 33628503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33628333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7410 + ... + 11052.

It is an arithmetic number, because the mean of its divisors is an integer number (2984436).

Almost surely, 2^33628533 is an apocalyptic number.

It is an amenable number.

33628533 is a deficient number, since it is larger than the sum of its proper divisors (14122443).

33628533 is a wasteful number, since it uses less digits than its factorization.

33628533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844.

The product of its digits is 38880, while the sum is 33.

The square root of 33628533 is about 5799.0113812615. The cubic root of 33628533 is about 322.7770445512. Note that the first 3 decimals are identical.

The spelling of 33628533 in words is "thirty-three million, six hundred twenty-eight thousand, five hundred thirty-three".