196428660 has 24 divisors (see below), whose sum is σ = 550000416. Its totient is φ = 52380960.

The previous prime is 196428649. The next prime is 196428667. The reversal of 196428660 is 66824691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196428667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636846 + ... + 1636965.

It is an arithmetic number, because the mean of its divisors is an integer number (22916684).

Almost surely, 2^196428660 is an apocalyptic number.

196428660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196428660 is an abundant number, since it is smaller than the sum of its proper divisors (353571756).

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

196428660 is a wasteful number, since it uses less digits than its factorization.

196428660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273823 (or 3273821 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 196428660 is about 14015.3009243469. The cubic root of 196428660 is about 581.3017333998.

The spelling of 196428660 in words is "one hundred ninety-six million, four hundred twenty-eight thousand, six hundred sixty".