197340879 has 16 divisors (see below), whose sum is σ = 282528000. Its totient is φ = 122075520.

The previous prime is 197340863. The next prime is 197340887. The reversal of 197340879 is 978043791.

It is not a de Polignac number, because 197340879 - 2⁴ = 197340863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197340809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23629 + ... + 30870.

It is an arithmetic number, because the mean of its divisors is an integer number (17658000).

Almost surely, 2^197340879 is an apocalyptic number.

197340879 is a deficient number, since it is larger than the sum of its proper divisors (85187121).

197340879 is a wasteful number, since it uses less digits than its factorization.

197340879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54590.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 197340879 is about 14047.8069106889. The cubic root of 197340879 is about 582.2002033218.

The spelling of 197340879 in words is "one hundred ninety-seven million, three hundred forty thousand, eight hundred seventy-nine".