33420004 has 6 divisors (see below), whose sum is σ = 58485014. Its totient is φ = 16710000.

The previous prime is 33420001. The next prime is 33420017. The reversal of 33420004 is 40002433.

It can be written as a sum of positive squares in only one way, i.e., 22184100 + 11235904 = 4710^2 + 3352^2 .

It is a super-2 number, since 2×33420004² = 2233793334720032, 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 33420004.

It is not an unprimeable number, because it can be changed into a prime (33420001) 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 as a sum of consecutive naturals, namely, 4177497 + ... + 4177504.

Almost surely, 2^33420004 is an apocalyptic number.

It is an amenable number.

33420004 is a deficient number, since it is larger than the sum of its proper divisors (25065010).

33420004 is a wasteful number, since it uses less digits than its factorization.

33420004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355005 (or 8355003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 33420004 is about 5781.0037190785. The cubic root of 33420004 is about 322.1084854936.

Adding to 33420004 its reverse (40002433), we get a palindrome (73422437).

The spelling of 33420004 in words is "thirty-three million, four hundred twenty thousand, four".