3939419420 has 24 divisors (see below), whose sum is σ = 8274827904. Its totient is φ = 1575377856.

The previous prime is 3939419417. The next prime is 3939419431. The reversal of 3939419420 is 249149393.

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, 66794 + ... + 111086.

It is an arithmetic number, because the mean of its divisors is an integer number (344784496).

Almost surely, 2^3939419420 is an apocalyptic number.

It is an amenable number.

3939419420 is an abundant number, since it is smaller than the sum of its proper divisors (4335408484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3939419420 is a wasteful number, since it uses less digits than its factorization.

3939419420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48749 (or 48747 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 3939419420 is about 62764.7944312733. The cubic root of 3939419420 is about 1579.3464449692.

The spelling of 3939419420 in words is "three billion, nine hundred thirty-nine million, four hundred nineteen thousand, four hundred twenty".