197841856 has 14 divisors (see below), whose sum is σ = 392592560. Its totient is φ = 98920896.

The previous prime is 197841841. The next prime is 197841863. The reversal of 197841856 is 658148791.

197841856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1545576 + ... + 1545703.

Almost surely, 2^197841856 is an apocalyptic number.

197841856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197841856 is a deficient number, since it is larger than the sum of its proper divisors (194750704).

197841856 is an equidigital number, since it uses as much as digits as its factorization.

197841856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091291 (or 3091281 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The square root of 197841856 is about 14065.6267546100. The cubic root of 197841856 is about 582.6924521424.

It can be divided in two parts, 1978 and 41856, that added together give a palindrome (43834).

The spelling of 197841856 in words is "one hundred ninety-seven million, eight hundred forty-one thousand, eight hundred fifty-six".