197153896 has 16 divisors (see below), whose sum is σ = 391408740. Its totient is φ = 92778240.

The previous prime is 197153833. The next prime is 197153903. The reversal of 197153896 is 698351791.

It can be written as a sum of positive squares in 2 ways, for example, as 165636900 + 31516996 = 12870^2 + 5614^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724695 + ... + 724966.

Almost surely, 2^197153896 is an apocalyptic number.

It is an amenable number.

197153896 is a deficient number, since it is larger than the sum of its proper divisors (194254844).

197153896 is a wasteful number, since it uses less digits than its factorization.

197153896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449684 (or 1449680 counting only the distinct ones).

The product of its digits is 408240, while the sum is 49.

The square root of 197153896 is about 14041.1500953448. The cubic root of 197153896 is about 582.0162645085.

The spelling of 197153896 in words is "one hundred ninety-seven million, one hundred fifty-three thousand, eight hundred ninety-six".