197649416 has 16 divisors (see below), whose sum is σ = 370869840. Its totient is φ = 98750800.

The previous prime is 197649383. The next prime is 197649421. The reversal of 197649416 is 614946791.

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 3 ways as a sum of consecutive naturals, for example, 3095 + ... + 20121.

It is an arithmetic number, because the mean of its divisors is an integer number (23179365).

Almost surely, 2^197649416 is an apocalyptic number.

It is an amenable number.

197649416 is a deficient number, since it is larger than the sum of its proper divisors (173220424).

197649416 is a wasteful number, since it uses less digits than its factorization.

197649416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484 (or 18480 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 197649416 is about 14058.7843002160. The cubic root of 197649416 is about 582.5034632961.

The spelling of 197649416 in words is "one hundred ninety-seven million, six hundred forty-nine thousand, four hundred sixteen".