33388004 has 12 divisors (see below), whose sum is σ = 62923644. Its totient is φ = 15409824.

The previous prime is 33387989. The next prime is 33388009. The reversal of 33388004 is 40088333.

It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 25989604 = 2720^2 + 5098^2 .

It is a super-2 number, since 2×33388004² = 2229517622208032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33388009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320987 + ... + 321090.

It is an arithmetic number, because the mean of its divisors is an integer number (5243637).

Almost surely, 2^33388004 is an apocalyptic number.

It is an amenable number.

33388004 is a deficient number, since it is larger than the sum of its proper divisors (29535640).

33388004 is a wasteful number, since it uses less digits than its factorization.

33388004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642094 (or 642092 counting only the distinct ones).

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

The square root of 33388004 is about 5778.2353707685. The cubic root of 33388004 is about 322.0056452594.

The spelling of 33388004 in words is "thirty-three million, three hundred eighty-eight thousand, four".