197795650 has 24 divisors (see below), whose sum is σ = 396201204. Its totient is φ = 73032000.

The previous prime is 197795641. The next prime is 197795669. The reversal of 197795650 is 56597791.

197795650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 8485569 + 189310081 = 2913^2 + 13759^2 .

It is a junction number, because it is equal to n+sod(n) for n = 197795594 and 197795603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151501 + ... + 152800.

Almost surely, 2^197795650 is an apocalyptic number.

197795650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197795650 is an abundant number, since it is smaller than the sum of its proper divisors (198405554).

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

197795650 is a wasteful number, since it uses less digits than its factorization.

197795650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304326 (or 304321 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 49.

The square root of 197795650 is about 14063.9841439046. The cubic root of 197795650 is about 582.6470859692.

The spelling of 197795650 in words is "one hundred ninety-seven million, seven hundred ninety-five thousand, six hundred fifty".