3904221933 has 24 divisors (see below), whose sum is σ = 5842942976. Its totient is φ = 2509509600.

The previous prime is 3904221863. The next prime is 3904221943. The reversal of 3904221933 is 3391224093.

It is not a de Polignac number, because 3904221933 - 2⁸ = 3904221677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904221943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49791 + ... + 101427.

Almost surely, 2^3904221933 is an apocalyptic number.

It is an amenable number.

3904221933 is a deficient number, since it is larger than the sum of its proper divisors (1938721043).

3904221933 is a wasteful number, since it uses less digits than its factorization.

3904221933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51945 (or 51942 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 3904221933 is about 62483.7733575686. The cubic root of 3904221933 is about 1574.6287100604.

The spelling of 3904221933 in words is "three billion, nine hundred four million, two hundred twenty-one thousand, nine hundred thirty-three".