1938418196 has 48 divisors (see below), whose sum is σ = 4158580608. Its totient is φ = 777955200.

The previous prime is 1938418193. The next prime is 1938418253. The reversal of 1938418196 is 6918148391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938418193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60515 + ... + 86826.

It is an arithmetic number, because the mean of its divisors is an integer number (86637096).

Almost surely, 2^1938418196 is an apocalyptic number.

It is an amenable number.

1938418196 is an abundant number, since it is smaller than the sum of its proper divisors (2220162412).

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

1938418196 is a wasteful number, since it uses less digits than its factorization.

1938418196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147392 (or 147390 counting only the distinct ones).

The product of its digits is 373248, while the sum is 50.

The square root of 1938418196 is about 44027.4709244126. The cubic root of 1938418196 is about 1246.8546404893.

The spelling of 1938418196 in words is "one billion, nine hundred thirty-eight million, four hundred eighteen thousand, one hundred ninety-six".