197563856 has 20 divisors (see below), whose sum is σ = 437463072. Its totient is φ = 84670176.

The previous prime is 197563841. The next prime is 197563901. The reversal of 197563856 is 658365791.

It is a happy number.

197563856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 881870 + ... + 882093.

Almost surely, 2^197563856 is an apocalyptic number.

197563856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197563856 is an abundant number, since it is smaller than the sum of its proper divisors (239899216).

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

197563856 is a wasteful number, since it uses less digits than its factorization.

197563856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763978 (or 1763972 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 197563856 is about 14055.7410334710. The cubic root of 197563856 is about 582.4193983043.

The spelling of 197563856 in words is "one hundred ninety-seven million, five hundred sixty-three thousand, eight hundred fifty-six".