204773364 has 72 divisors (see below), whose sum is σ = 550335240. Its totient is φ = 63977472.

The previous prime is 204773297. The next prime is 204773389. The reversal of 204773364 is 463377402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5963364 + 198810000 = 2442^2 + 14100^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191022 + ... + 192090.

It is an arithmetic number, because the mean of its divisors is an integer number (7643545).

Almost surely, 2^204773364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204773364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275167620).

204773364 is an abundant number, since it is smaller than the sum of its proper divisors (345561876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204773364 is a wasteful number, since it uses less digits than its factorization.

204773364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 204773364 is about 14309.9044021964. The cubic root of 204773364 is about 589.4194845435.

The spelling of 204773364 in words is "two hundred four million, seven hundred seventy-three thousand, three hundred sixty-four".