197021416 has 16 divisors (see below), whose sum is σ = 373867200. Its totient is φ = 97323504.

The previous prime is 197021401. The next prime is 197021417. The reversal of 197021416 is 614120791.

It is not an unprimeable number, because it can be changed into a prime (197021417) 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 3 ways as a sum of consecutive naturals, for example, 147696 + ... + 149023.

It is an arithmetic number, because the mean of its divisors is an integer number (23366700).

Almost surely, 2^197021416 is an apocalyptic number.

It is an amenable number.

197021416 is a deficient number, since it is larger than the sum of its proper divisors (176845784).

197021416 is a wasteful number, since it uses less digits than its factorization.

197021416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296808 (or 296804 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 197021416 is about 14036.4317402964. The cubic root of 197021416 is about 581.8858709540.

The spelling of 197021416 in words is "one hundred ninety-seven million, twenty-one thousand, four hundred sixteen".