1938195832 has 32 divisors (see below), whose sum is σ = 3848745600. Its totient is φ = 913122144.

The previous prime is 1938195811. The next prime is 1938195839. The reversal of 1938195832 is 2385918391.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938195839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66282 + ... + 90937.

It is an arithmetic number, because the mean of its divisors is an integer number (120273300).

Almost surely, 2^1938195832 is an apocalyptic number.

It is an amenable number.

1938195832 is a deficient number, since it is larger than the sum of its proper divisors (1910549768).

1938195832 is a wasteful number, since it uses less digits than its factorization.

1938195832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157315 (or 157311 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The square root of 1938195832 is about 44024.9455649862. The cubic root of 1938195832 is about 1246.8069613751.

The spelling of 1938195832 in words is "one billion, nine hundred thirty-eight million, one hundred ninety-five thousand, eight hundred thirty-two".