33628412 has 12 divisors (see below), whose sum is σ = 60440520. Its totient is φ = 16359696.

The previous prime is 33628403. The next prime is 33628433. The reversal of 33628412 is 21482633.

It is a super-2 number, since 2×33628412² = 2261740187283488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113462 + ... + 113757.

It is an arithmetic number, because the mean of its divisors is an integer number (5036710).

Almost surely, 2^33628412 is an apocalyptic number.

It is an amenable number.

33628412 is a deficient number, since it is larger than the sum of its proper divisors (26812108).

33628412 is a wasteful number, since it uses less digits than its factorization.

33628412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227260 (or 227258 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 33628412 is about 5799.0009484393. Note that the first 3 decimals coincide. The cubic root of 33628412 is about 322.7766574189.

The spelling of 33628412 in words is "thirty-three million, six hundred twenty-eight thousand, four hundred twelve".