197616404 has 12 divisors (see below), whose sum is σ = 345928128. Its totient is φ = 98779800.

The previous prime is 197616403. The next prime is 197616407. The reversal of 197616404 is 404616791.

It is a happy number.

197616404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197616403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20309 + ... + 28419.

It is an arithmetic number, because the mean of its divisors is an integer number (28827344).

Almost surely, 2^197616404 is an apocalyptic number.

It is an amenable number.

197616404 is a deficient number, since it is larger than the sum of its proper divisors (148311724).

197616404 is a wasteful number, since it uses less digits than its factorization.

197616404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206 (or 14204 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 197616404 is about 14057.6101809660. The cubic root of 197616404 is about 582.4710309968.

The spelling of 197616404 in words is "one hundred ninety-seven million, six hundred sixteen thousand, four hundred four".