1938874376 has 16 divisors (see below), whose sum is σ = 3671384940. Its totient is φ = 959838400.

The previous prime is 1938874367. The next prime is 1938874381. The reversal of 1938874376 is 6734788391.

It can be written as a sum of positive squares in 2 ways, for example, as 1178548900 + 760325476 = 34330^2 + 27574^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198991 + ... + 1200606.

Almost surely, 2^1938874376 is an apocalyptic number.

It is an amenable number.

1938874376 is a deficient number, since it is larger than the sum of its proper divisors (1732510564).

1938874376 is a wasteful number, since it uses less digits than its factorization.

1938874376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399704 (or 2399700 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The square root of 1938874376 is about 44032.6512488176. The cubic root of 1938874376 is about 1246.9524428346.

The spelling of 1938874376 in words is "one billion, nine hundred thirty-eight million, eight hundred seventy-four thousand, three hundred seventy-six".