197468418 has 32 divisors (see below), whose sum is σ = 451783296. Its totient is φ = 56366208.

The previous prime is 197468417. The next prime is 197468437. The reversal of 197468418 is 814864791.

197468418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197468418² = 77987552214845448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (197468417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71430 + ... + 74142.

It is an arithmetic number, because the mean of its divisors is an integer number (14118228).

Almost surely, 2^197468418 is an apocalyptic number.

197468418 is an abundant number, since it is smaller than the sum of its proper divisors (254314878).

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

197468418 is a wasteful number, since it uses less digits than its factorization.

197468418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458.

The product of its digits is 387072, while the sum is 48.

The square root of 197468418 is about 14052.3456404972. The cubic root of 197468418 is about 582.3255992721.

The spelling of 197468418 in words is "one hundred ninety-seven million, four hundred sixty-eight thousand, four hundred eighteen".