204398794 has 8 divisors (see below), whose sum is σ = 308836548. Its totient is φ = 101453280.

The previous prime is 204398743. The next prime is 204398813. The reversal of 204398794 is 497893402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 182655225 + 21743569 = 13515^2 + 4663^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372717 + ... + 373264.

Almost surely, 2^204398794 is an apocalyptic number.

204398794 is a deficient number, since it is larger than the sum of its proper divisors (104437754).

204398794 is a wasteful number, since it uses less digits than its factorization.

204398794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746120.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 204398794 is about 14296.8106233523. The cubic root of 204398794 is about 589.0598778631.

The spelling of 204398794 in words is "two hundred four million, three hundred ninety-eight thousand, seven hundred ninety-four".