1938943308 has 24 divisors (see below), whose sum is σ = 4609564848. Its totient is φ = 634119616.

The previous prime is 1938943297. The next prime is 1938943337. The reversal of 1938943308 is 8033498391.

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, 1523691 + ... + 1524962.

It is an arithmetic number, because the mean of its divisors is an integer number (192065202).

Almost surely, 2^1938943308 is an apocalyptic number.

It is an amenable number.

1938943308 is an abundant number, since it is smaller than the sum of its proper divisors (2670621540).

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

1938943308 is a wasteful number, since it uses less digits than its factorization.

1938943308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048713 (or 3048711 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 1938943308 is about 44033.4339791936. The cubic root of 1938943308 is about 1246.9672201212.

The spelling of 1938943308 in words is "one billion, nine hundred thirty-eight million, nine hundred forty-three thousand, three hundred eight".