204097828 has 12 divisors (see below), whose sum is σ = 389641392. Its totient is φ = 92771720.

The previous prime is 204097781. The next prime is 204097847. The reversal of 204097828 is 828790402.

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, 2319250 + ... + 2319337.

It is an arithmetic number, because the mean of its divisors is an integer number (32470116).

Almost surely, 2^204097828 is an apocalyptic number.

It is an amenable number.

204097828 is a deficient number, since it is larger than the sum of its proper divisors (185543564).

204097828 is a wasteful number, since it uses less digits than its factorization.

204097828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638602 (or 4638600 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 204097828 is about 14286.2811116119. The cubic root of 204097828 is about 588.7706164017.

The spelling of 204097828 in words is "two hundred four million, ninety-seven thousand, eight hundred twenty-eight".