196983972 has 36 divisors (see below), whose sum is σ = 504241920. Its totient is φ = 64829232.

The previous prime is 196983961. The next prime is 196983977. The reversal of 196983972 is 279389691.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (196983977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31788 + ... + 37475.

It is an arithmetic number, because the mean of its divisors is an integer number (14006720).

Almost surely, 2^196983972 is an apocalyptic number.

196983972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

196983972 is an abundant number, since it is smaller than the sum of its proper divisors (307257948).

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

196983972 is a wasteful number, since it uses less digits than its factorization.

196983972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69352 (or 69347 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 196983972 is about 14035.0978621455. The cubic root of 196983972 is about 581.8490060699.

The spelling of 196983972 in words is "one hundred ninety-six million, nine hundred eighty-three thousand, nine hundred seventy-two".