1938161094 has 32 divisors (see below), whose sum is σ = 3923023104. Its totient is φ = 638299680.

The previous prime is 1938161087. The next prime is 1938161107. The reversal of 1938161094 is 4901618391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281497 + ... + 288299.

It is an arithmetic number, because the mean of its divisors is an integer number (122594472).

Almost surely, 2^1938161094 is an apocalyptic number.

1938161094 is an abundant number, since it is smaller than the sum of its proper divisors (1984862010).

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

1938161094 is a wasteful number, since it uses less digits than its factorization.

1938161094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1938161094 is about 44024.5510368930. The cubic root of 1938161094 is about 1246.7995125511.

The spelling of 1938161094 in words is "one billion, nine hundred thirty-eight million, one hundred sixty-one thousand, ninety-four".