33300890 has 24 divisors (see below), whose sum is σ = 69729012. Its totient is φ = 11417280.

The previous prime is 33300889. The next prime is 33300899. The reversal of 33300890 is 9800333.

It can be written as a sum of positive squares in 2 ways, for example, as 31281649 + 2019241 = 5593^2 + 1421^2 .

It is a super-2 number, since 2×33300890² = 2217898549584200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33300899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33491 + ... + 34470.

Almost surely, 2^33300890 is an apocalyptic number.

33300890 is an abundant number, since it is smaller than the sum of its proper divisors (36428122).

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

33300890 is a wasteful number, since it uses less digits than its factorization.

33300890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67982 (or 67975 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 33300890 is about 5770.6923328141. The cubic root of 33300890 is about 321.7253486623.

The spelling of 33300890 in words is "thirty-three million, three hundred thousand, eight hundred ninety".