3939021304 has 32 divisors (see below), whose sum is σ = 7512840720. Its totient is φ = 1935840256.

The previous prime is 3939021287. The next prime is 3939021313. The reversal of 3939021304 is 4031209393.

It is a self number, because there is not a number n which added to its sum of digits gives 3939021304.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115752 + ... + 145864.

Almost surely, 2^3939021304 is an apocalyptic number.

It is an amenable number.

3939021304 is a deficient number, since it is larger than the sum of its proper divisors (3573819416).

3939021304 is a wasteful number, since it uses less digits than its factorization.

3939021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30399 (or 30395 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 3939021304 is about 62761.6228598337. The cubic root of 3939021304 is about 1579.2932404904.

The spelling of 3939021304 in words is "three billion, nine hundred thirty-nine million, twenty-one thousand, three hundred four".