196428972 has 12 divisors (see below), whose sum is σ = 458334296. Its totient is φ = 65476320.

The previous prime is 196428961. The next prime is 196428979. The reversal of 196428972 is 279824691.

196428972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (196428979) 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, 8184529 + ... + 8184552.

Almost surely, 2^196428972 is an apocalyptic number.

196428972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

196428972 is an abundant number, since it is smaller than the sum of its proper divisors (261905324).

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

196428972 is a wasteful number, since it uses less digits than its factorization.

196428972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16369088 (or 16369086 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 196428972 is about 14015.3120550347. The cubic root of 196428972 is about 581.3020411723.

The spelling of 196428972 in words is "one hundred ninety-six million, four hundred twenty-eight thousand, nine hundred seventy-two".