196490497 has 4 divisors (see below), whose sum is σ = 224560576. Its totient is φ = 168420420.

The previous prime is 196490479. The next prime is 196490501. The reversal of 196490497 is 794094691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 196490497 - 2¹¹ = 196488449 is a prime.

It is a super-2 number, since 2×196490497² = 77217030822614018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196490497.

It is not an unprimeable number, because it can be changed into a prime (196490417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14035029 + ... + 14035042.

It is an arithmetic number, because the mean of its divisors is an integer number (56140144).

Almost surely, 2^196490497 is an apocalyptic number.

It is an amenable number.

196490497 is a deficient number, since it is larger than the sum of its proper divisors (28070079).

196490497 is an equidigital number, since it uses as much as digits as its factorization.

196490497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28070078.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 196490497 is about 14017.5068039934. The cubic root of 196490497 is about 581.3627261693.

The spelling of 196490497 in words is "one hundred ninety-six million, four hundred ninety thousand, four hundred ninety-seven".