204398648 has 16 divisors (see below), whose sum is σ = 385544880. Its totient is φ = 101586688.

The previous prime is 204398639. The next prime is 204398669. The reversal of 204398648 is 846893402.

It is a junction number, because it is equal to n+sod(n) for n = 204398599 and 204398608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75161 + ... + 77832.

It is an arithmetic number, because the mean of its divisors is an integer number (24096555).

Almost surely, 2^204398648 is an apocalyptic number.

It is an amenable number.

204398648 is a deficient number, since it is larger than the sum of its proper divisors (181146232).

204398648 is a wasteful number, since it uses less digits than its factorization.

204398648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153166 (or 153162 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 204398648 is about 14296.8055173175. The cubic root of 204398648 is about 589.0597376099.

The spelling of 204398648 in words is "two hundred four million, three hundred ninety-eight thousand, six hundred forty-eight".