197431496 has 8 divisors (see below), whose sum is σ = 370184070. Its totient is φ = 98715744.

The previous prime is 197431483. The next prime is 197431501. The reversal of 197431496 is 694134791.

It can be written as a sum of positive squares in only one way, i.e., 190826596 + 6604900 = 13814^2 + 2570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×197431496² = 77958391225596032, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 12339461 + ... + 12339476.

Almost surely, 2^197431496 is an apocalyptic number.

It is an amenable number.

197431496 is a deficient number, since it is larger than the sum of its proper divisors (172752574).

197431496 is a wasteful number, since it uses less digits than its factorization.

197431496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24678943 (or 24678939 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 197431496 is about 14051.0318482309. The cubic root of 197431496 is about 582.2893032301.

The spelling of 197431496 in words is "one hundred ninety-seven million, four hundred thirty-one thousand, four hundred ninety-six".