197457098 has 4 divisors (see below), whose sum is σ = 296185650. Its totient is φ = 98728548.

The previous prime is 197457089. The next prime is 197457119. The reversal of 197457098 is 890754791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890754791 = 7877 ⋅113083.

It can be written as a sum of positive squares in only one way, i.e., 136726249 + 60730849 = 11693^2 + 7793^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49364273 + ... + 49364276.

Almost surely, 2^197457098 is an apocalyptic number.

197457098 is a deficient number, since it is larger than the sum of its proper divisors (98728552).

197457098 is an equidigital number, since it uses as much as digits as its factorization.

197457098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98728551.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 197457098 is about 14051.9428549934. The cubic root of 197457098 is about 582.3144716669.

The spelling of 197457098 in words is "one hundred ninety-seven million, four hundred fifty-seven thousand, ninety-eight".