197648860 has 12 divisors (see below), whose sum is σ = 415062648. Its totient is φ = 79059536.

The previous prime is 197648809. The next prime is 197648881. The reversal of 197648860 is 68846791.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4941202 + ... + 4941241.

It is an arithmetic number, because the mean of its divisors is an integer number (34588554).

Almost surely, 2^197648860 is an apocalyptic number.

197648860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197648860 is an abundant number, since it is smaller than the sum of its proper divisors (217413788).

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

197648860 is a wasteful number, since it uses less digits than its factorization.

197648860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882452 (or 9882450 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 197648860 is about 14058.7645260883. The cubic root of 197648860 is about 582.5029170895.

The spelling of 197648860 in words is "one hundred ninety-seven million, six hundred forty-eight thousand, eight hundred sixty".