204387795 has 24 divisors (see below), whose sum is σ = 366490800. Its totient is φ = 105247296.

The previous prime is 204387791. The next prime is 204387797. The reversal of 204387795 is 597783402.

It is not a de Polignac number, because 204387795 - 2² = 204387791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 204387795.

It is not an unprimeable number, because it can be changed into a prime (204387791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77005 + ... + 79614.

It is an arithmetic number, because the mean of its divisors is an integer number (15270450).

Almost surely, 2^204387795 is an apocalyptic number.

204387795 is a deficient number, since it is larger than the sum of its proper divisors (162103005).

204387795 is a wasteful number, since it uses less digits than its factorization.

204387795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156659 (or 156656 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 204387795 is about 14296.4259519644. The cubic root of 204387795 is about 589.0493116139.

The spelling of 204387795 in words is "two hundred four million, three hundred eighty-seven thousand, seven hundred ninety-five".