198412065 has 32 divisors (see below), whose sum is σ = 353351040. Its totient is φ = 105634368.

The previous prime is 198412063. The next prime is 198412069. The reversal of 198412065 is 560214891.

198412065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198412065 - 2¹ = 198412063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198412063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114294 + ... + 116016.

It is an arithmetic number, because the mean of its divisors is an integer number (11042220).

Almost surely, 2^198412065 is an apocalyptic number.

198412065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198412065 is a deficient number, since it is larger than the sum of its proper divisors (154938975).

198412065 is a wasteful number, since it uses less digits than its factorization.

198412065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590 (or 2584 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 198412065 is about 14085.8817615370. The cubic root of 198412065 is about 583.2517166538.

The spelling of 198412065 in words is "one hundred ninety-eight million, four hundred twelve thousand, sixty-five".