33233930 has 16 divisors (see below), whose sum is σ = 59921640. Its totient is φ = 13271232.

The previous prime is 33233911. The next prime is 33233939. The reversal of 33233930 is 3933233.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31348801 + 1885129 = 5599^2 + 1373^2 .

It is a super-2 number, since 2×33233930² = 2208988206489800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33233930.

It is not an unprimeable number, because it can be changed into a prime (33233939) 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 7 ways as a sum of consecutive naturals, for example, 4316 + ... + 9224.

Almost surely, 2^33233930 is an apocalyptic number.

33233930 is a deficient number, since it is larger than the sum of its proper divisors (26687710).

33233930 is a wasteful number, since it uses less digits than its factorization.

33233930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593.

The product of its (nonzero) digits is 4374, while the sum is 26.

The square root of 33233930 is about 5764.8876832077. The cubic root of 33233930 is about 321.5095667961.

The spelling of 33233930 in words is "thirty-three million, two hundred thirty-three thousand, nine hundred thirty".