198897203 has 8 divisors (see below), whose sum is σ = 199974096. Its totient is φ = 197824000.

The previous prime is 198897197. The next prime is 198897217. The reversal of 198897203 is 302798891.

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

It is a cyclic number.

It is not a de Polignac number, because 198897203 - 2¹⁴ = 198880819 is a prime.

It is a super-2 number, since 2×198897203² = 79120194722446418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198897233) 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, 225323 + ... + 226203.

It is an arithmetic number, because the mean of its divisors is an integer number (24996762).

Almost surely, 2^198897203 is an apocalyptic number.

198897203 is a deficient number, since it is larger than the sum of its proper divisors (1076893).

198897203 is an equidigital number, since it uses as much as digits as its factorization.

198897203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 198897203 is about 14103.0919659485. The cubic root of 198897203 is about 583.7266999735.

The spelling of 198897203 in words is "one hundred ninety-eight million, eight hundred ninety-seven thousand, two hundred three".