197969960 has 16 divisors (see below), whose sum is σ = 445432500. Its totient is φ = 79187968.

The previous prime is 197969923. The next prime is 197969963. The reversal of 197969960 is 69969791.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190495204 + 7474756 = 13802^2 + 2734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 197969896 and 197969905.

It is not an unprimeable number, because it can be changed into a prime (197969963) 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, 2474585 + ... + 2474664.

Almost surely, 2^197969960 is an apocalyptic number.

197969960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197969960 is an abundant number, since it is smaller than the sum of its proper divisors (247462540).

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

197969960 is a wasteful number, since it uses less digits than its factorization.

197969960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949260 (or 4949256 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 56.

The square root of 197969960 is about 14070.1798140607. The cubic root of 197969960 is about 582.8181908344.

The spelling of 197969960 in words is "one hundred ninety-seven million, nine hundred sixty-nine thousand, nine hundred sixty".