33628250 has 16 divisors (see below), whose sum is σ = 62952552. Its totient is φ = 13451200.

The previous prime is 33628247. The next prime is 33628267. The reversal of 33628250 is 5282633.

It can be written as a sum of positive squares in 4 ways, for example, as 13315201 + 20313049 = 3649^2 + 4507^2 .

It is a super-2 number, since 2×33628250² = 2261718396125000, which contains 22 as substring.

It is an unprimeable number.

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, 67007 + ... + 67506.

Almost surely, 2^33628250 is an apocalyptic number.

33628250 is a deficient number, since it is larger than the sum of its proper divisors (29324302).

33628250 is a wasteful number, since it uses less digits than its factorization.

33628250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134530 (or 134520 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 33628250 is about 5798.9869804993. The cubic root of 33628250 is about 322.7761391082.

The spelling of 33628250 in words is "thirty-three million, six hundred twenty-eight thousand, two hundred fifty".