3300004021 has 4 divisors (see below), whose sum is σ = 3300392844. Its totient is φ = 3299615200.

The previous prime is 3300004009. The next prime is 3300004027. The reversal of 3300004021 is 1204000033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2511012100 + 788991921 = 50110^2 + 28089^2 .

It is a cyclic number.

It is not a de Polignac number, because 3300004021 - 2²³ = 3291615413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3300003992 and 3300004010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3300004027) 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 3 ways as a sum of consecutive naturals, for example, 181390 + ... + 198751.

It is an arithmetic number, because the mean of its divisors is an integer number (825098211).

Almost surely, 2^3300004021 is an apocalyptic number.

It is an amenable number.

3300004021 is a deficient number, since it is larger than the sum of its proper divisors (388823).

3300004021 is an equidigital number, since it uses as much as digits as its factorization.

3300004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388822.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3300004021 is about 57445.6614636824. The cubic root of 3300004021 is about 1488.8061576493.

Adding to 3300004021 its reverse (1204000033), we get a palindrome (4504004054).

The spelling of 3300004021 in words is "three billion, three hundred million, four thousand, twenty-one".