197841378 has 32 divisors (see below), whose sum is σ = 452649600. Its totient is φ = 56471040.

The previous prime is 197841367. The next prime is 197841379. The reversal of 197841378 is 873148791.

It is not an unprimeable number, because it can be changed into a prime (197841379) 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, 63538 + ... + 66578.

It is an arithmetic number, because the mean of its divisors is an integer number (14145300).

Almost surely, 2^197841378 is an apocalyptic number.

197841378 is an abundant number, since it is smaller than the sum of its proper divisors (254808222).

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

197841378 is a wasteful number, since it uses less digits than its factorization.

197841378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602.

The product of its digits is 338688, while the sum is 48.

The square root of 197841378 is about 14065.6097628222. The cubic root of 197841378 is about 582.6919828666.

The spelling of 197841378 in words is "one hundred ninety-seven million, eight hundred forty-one thousand, three hundred seventy-eight".