197382238 has 4 divisors (see below), whose sum is σ = 296073360. Its totient is φ = 98691118.

The previous prime is 197382209. The next prime is 197382253. The reversal of 197382238 is 832283791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832283791 = 43 ⋅19355437.

It is a junction number, because it is equal to n+sod(n) for n = 197382194 and 197382203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49345558 + ... + 49345561.

It is an arithmetic number, because the mean of its divisors is an integer number (74018340).

Almost surely, 2^197382238 is an apocalyptic number.

197382238 is a deficient number, since it is larger than the sum of its proper divisors (98691122).

197382238 is an equidigital number, since it uses as much as digits as its factorization.

197382238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98691121.

The product of its digits is 145152, while the sum is 43.

The square root of 197382238 is about 14049.2789138802. The cubic root of 197382238 is about 582.2408732805.

The spelling of 197382238 in words is "one hundred ninety-seven million, three hundred eighty-two thousand, two hundred thirty-eight".