197390744 has 16 divisors (see below), whose sum is σ = 370287720. Its totient is φ = 98647360.

The previous prime is 197390731. The next prime is 197390771. The reversal of 197390744 is 447093791.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 197390695 and 197390704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16379 + ... + 25749.

Almost surely, 2^197390744 is an apocalyptic number.

It is an amenable number.

197390744 is a deficient number, since it is larger than the sum of its proper divisors (172896976).

197390744 is a wasteful number, since it uses less digits than its factorization.

197390744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12010 (or 12006 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 197390744 is about 14049.5816307818. The cubic root of 197390744 is about 582.2492368661.

The spelling of 197390744 in words is "one hundred ninety-seven million, three hundred ninety thousand, seven hundred forty-four".