197999214 has 32 divisors (see below), whose sum is σ = 458776320. Its totient is φ = 55795392.

The previous prime is 197999183. The next prime is 197999227. The reversal of 197999214 is 412999791.

It is a congruent number.

It is an unprimeable number.

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, 29224 + ... + 35355.

It is an arithmetic number, because the mean of its divisors is an integer number (14336760).

Almost surely, 2^197999214 is an apocalyptic number.

197999214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

197999214 is an abundant number, since it is smaller than the sum of its proper divisors (260777106).

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

197999214 is a wasteful number, since it uses less digits than its factorization.

197999214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64664.

The product of its digits is 367416, while the sum is 51.

The square root of 197999214 is about 14071.2193501487. The cubic root of 197999214 is about 582.8468970813.

The spelling of 197999214 in words is "one hundred ninety-seven million, nine hundred ninety-nine thousand, two hundred fourteen".