198456965 has 8 divisors (see below), whose sum is σ = 272169600. Its totient is φ = 136084752.

The previous prime is 198456913. The next prime is 198456977. The reversal of 198456965 is 569654891.

It is a happy number.

198456965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 198456965 - 2¹⁴ = 198440581 is a prime.

It is a super-2 number, since 2×198456965² = 78770333914022450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2835065 + ... + 2835134.

It is an arithmetic number, because the mean of its divisors is an integer number (34021200).

Almost surely, 2^198456965 is an apocalyptic number.

It is an amenable number.

198456965 is a deficient number, since it is larger than the sum of its proper divisors (73712635).

198456965 is an equidigital number, since it uses as much as digits as its factorization.

198456965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670211.

The product of its digits is 2332800, while the sum is 53.

The square root of 198456965 is about 14087.4754658171. The cubic root of 198456965 is about 583.2957093194.

The spelling of 198456965 in words is "one hundred ninety-eight million, four hundred fifty-six thousand, nine hundred sixty-five".