1938052986 has 16 divisors (see below), whose sum is σ = 3878057568. Its totient is φ = 645692400.

The previous prime is 1938052951. The next prime is 1938052999. The reversal of 1938052986 is 6892508391.

It is a happy number.

It is a Curzon 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, 68245 + ... + 92376.

It is an arithmetic number, because the mean of its divisors is an integer number (242378598).

Almost surely, 2^1938052986 is an apocalyptic number.

1938052986 is an abundant number, since it is smaller than the sum of its proper divisors (1940004582).

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

1938052986 is a wasteful number, since it uses less digits than its factorization.

1938052986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162637.

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 1938052986 is about 44023.3232048649. The cubic root of 1938052986 is about 1246.7763305242.

The spelling of 1938052986 in words is "one billion, nine hundred thirty-eight million, fifty-two thousand, nine hundred eighty-six".