1938196 has 12 divisors (see below), whose sum is σ = 3652852. Its totient is φ = 894528.

The previous prime is 1938191. The next prime is 1938197. The reversal of 1938196 is 6918391.

It can be written as a sum of positive squares in 2 ways, for example, as 864900 + 1073296 = 930^2 + 1036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18585 + ... + 18688.

2^1938196 is an apocalyptic number.

It is an amenable number.

1938196 is a deficient number, since it is larger than the sum of its proper divisors (1714656).

1938196 is a wasteful number, since it uses less digits than its factorization.

1938196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37290 (or 37288 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The square root of 1938196 is about 1392.1910788394. The cubic root of 1938196 is about 124.6806997399.

The spelling of 1938196 in words is "one million, nine hundred thirty-eight thousand, one hundred ninety-six".