197683215 has 8 divisors (see below), whose sum is σ = 316293168. Its totient is φ = 105431040.

The previous prime is 197683207. The next prime is 197683223. The reversal of 197683215 is 512386791.

It is an interprime number because it is at equal distance from previous prime (197683207) and next prime (197683223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197683215 - 2³ = 197683207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6589426 + ... + 6589455.

It is an arithmetic number, because the mean of its divisors is an integer number (39536646).

Almost surely, 2^197683215 is an apocalyptic number.

197683215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197683215 is a deficient number, since it is larger than the sum of its proper divisors (118609953).

197683215 is a wasteful number, since it uses less digits than its factorization.

197683215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178889.

The product of its digits is 90720, while the sum is 42.

The square root of 197683215 is about 14059.9863086704. The cubic root of 197683215 is about 582.5366650342.

The spelling of 197683215 in words is "one hundred ninety-seven million, six hundred eighty-three thousand, two hundred fifteen".