197961528 has 16 divisors (see below), whose sum is σ = 494903880. Its totient is φ = 65987168.

The previous prime is 197961503. The next prime is 197961563. The reversal of 197961528 is 825169791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4124175 + ... + 4124222.

Almost surely, 2^197961528 is an apocalyptic number.

It is an amenable number.

197961528 is an abundant number, since it is smaller than the sum of its proper divisors (296942352).

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

197961528 is a wasteful number, since it uses less digits than its factorization.

197961528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248406 (or 8248402 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The square root of 197961528 is about 14069.8801700654. The cubic root of 197961528 is about 582.8099161905.

The spelling of 197961528 in words is "one hundred ninety-seven million, nine hundred sixty-one thousand, five hundred twenty-eight".