197476398 has 48 divisors (see below), whose sum is σ = 497024736. Its totient is φ = 55494720.

The previous prime is 197476387. The next prime is 197476423. The reversal of 197476398 is 893674791.

It is a happy number.

197476398 is digitally balanced in base 3, 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 in 23 ways as a sum of consecutive naturals, for example, 5161 + ... + 20532.

It is an arithmetic number, because the mean of its divisors is an integer number (10354682).

Almost surely, 2^197476398 is an apocalyptic number.

197476398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

197476398 is an abundant number, since it is smaller than the sum of its proper divisors (299548338).

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

197476398 is a wasteful number, since it uses less digits than its factorization.

197476398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25769 (or 25766 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 197476398 is about 14052.6295759904. The cubic root of 197476398 is about 582.3334433883. Note that the first 3 decimals are identical.

The spelling of 197476398 in words is "one hundred ninety-seven million, four hundred seventy-six thousand, three hundred ninety-eight".