204465395 has 8 divisors (see below), whose sum is σ = 246149280. Its totient is φ = 163045120.

The previous prime is 204465347. The next prime is 204465421. The reversal of 204465395 is 593564402.

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

It is a de Polignac number, because none of the positive numbers 2^k-204465395 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 64190 + ... + 67299.

It is an arithmetic number, because the mean of its divisors is an integer number (30768660).

Almost surely, 2^204465395 is an apocalyptic number.

204465395 is a deficient number, since it is larger than the sum of its proper divisors (41683885).

204465395 is a wasteful number, since it uses less digits than its factorization.

204465395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131805.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 204465395 is about 14299.1396594341. The cubic root of 204465395 is about 589.1238503811.

The spelling of 204465395 in words is "two hundred four million, four hundred sixty-five thousand, three hundred ninety-five".