198970597 has 8 divisors (see below), whose sum is σ = 231249600. Its totient is φ = 167655264.

The previous prime is 198970573. The next prime is 198970619. The reversal of 198970597 is 795079891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198970597 - 2⁷ = 198970469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198970517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240472 + ... + 241297.

It is an arithmetic number, because the mean of its divisors is an integer number (28906200).

Almost surely, 2^198970597 is an apocalyptic number.

It is an amenable number.

198970597 is a deficient number, since it is larger than the sum of its proper divisors (32279003).

198970597 is an equidigital number, since it uses as much as digits as its factorization.

198970597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481835.

The product of its (nonzero) digits is 1428840, while the sum is 55.

The square root of 198970597 is about 14105.6937794637. The cubic root of 198970597 is about 583.7984904398.

The spelling of 198970597 in words is "one hundred ninety-eight million, nine hundred seventy thousand, five hundred ninety-seven".