198462965 has 4 divisors (see below), whose sum is σ = 238155564. Its totient is φ = 158770368.

The previous prime is 198462941. The next prime is 198462977. The reversal of 198462965 is 569264891.

198462965 = 9961² + 9962².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99241444 + 99221521 = 9962^2 + 9961^2 .

It is a cyclic number.

It is not a de Polignac number, because 198462965 - 2¹⁰ = 198461941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19846292 + ... + 19846301.

It is an arithmetic number, because the mean of its divisors is an integer number (59538891).

Almost surely, 2^198462965 is an apocalyptic number.

198462965 is the 9962-nd centered square number.

It is an amenable number.

198462965 is a deficient number, since it is larger than the sum of its proper divisors (39692599).

198462965 is an equidigital number, since it uses as much as digits as its factorization.

198462965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39692598.

The product of its digits is 933120, while the sum is 50.

The square root of 198462965 is about 14087.6884193256. The cubic root of 198462965 is about 583.3015875694.

The spelling of 198462965 in words is "one hundred ninety-eight million, four hundred sixty-two thousand, nine hundred sixty-five".