196738938 has 48 divisors (see below), whose sum is σ = 467157600. Its totient is φ = 59343840.

The previous prime is 196738933. The next prime is 196738963. The reversal of 196738938 is 839837691.

It is not an unprimeable number, because it can be changed into a prime (196738931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43173 + ... + 47511.

It is an arithmetic number, because the mean of its divisors is an integer number (9732450).

Almost surely, 2^196738938 is an apocalyptic number.

196738938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196738938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233578800).

196738938 is an abundant number, since it is smaller than the sum of its proper divisors (270418662).

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

196738938 is a wasteful number, since it uses less digits than its factorization.

196738938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587 (or 4584 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 196738938 is about 14026.3658158484. The cubic root of 196738938 is about 581.6076464209.

The spelling of 196738938 in words is "one hundred ninety-six million, seven hundred thirty-eight thousand, nine hundred thirty-eight".