204956369 has 16 divisors (see below), whose sum is σ = 225244800. Its totient is φ = 185627904.

The previous prime is 204956359. The next prime is 204956393. The reversal of 204956369 is 963659402.

204956369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204956369 - 2²⁰ = 203907793 is a prime.

It is a super-2 number, since 2×204956369² = 84014226387328322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204956359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215954 + ... + 216900.

It is an arithmetic number, because the mean of its divisors is an integer number (14077800).

Almost surely, 2^204956369 is an apocalyptic number.

204956369 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

204956369 is a deficient number, since it is larger than the sum of its proper divisors (20288431).

204956369 is a wasteful number, since it uses less digits than its factorization.

204956369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 204956369 is about 14316.2973215842. The cubic root of 204956369 is about 589.5950194101.

The spelling of 204956369 in words is "two hundred four million, nine hundred fifty-six thousand, three hundred sixty-nine".