197051944 has 16 divisors (see below), whose sum is σ = 372863700. Its totient is φ = 97621632.

The previous prime is 197051927. The next prime is 197051951. The reversal of 197051944 is 449150791.

It can be written as a sum of positive squares in 2 ways, for example, as 185232100 + 11819844 = 13610^2 + 3438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 197051897 and 197051906.

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, 112117 + ... + 113860.

Almost surely, 2^197051944 is an apocalyptic number.

It is an amenable number.

197051944 is a deficient number, since it is larger than the sum of its proper divisors (175811756).

197051944 is a wasteful number, since it uses less digits than its factorization.

197051944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226092 (or 226088 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 197051944 is about 14037.5191540386. The cubic root of 197051944 is about 581.9159233460.

The spelling of 197051944 in words is "one hundred ninety-seven million, fifty-one thousand, nine hundred forty-four".