204439896 has 64 divisors (see below), whose sum is σ = 569923200. Its totient is φ = 67902624.

The previous prime is 204439889. The next prime is 204439903. The reversal of 204439896 is 698934402.

204439896 is a `hidden beast` number, since 204 + 439 + 8 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (204439889) and next prime (204439903).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64771 + ... + 67853.

It is an arithmetic number, because the mean of its divisors is an integer number (8905050).

Almost surely, 2^204439896 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 204439896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284961600).

204439896 is an abundant number, since it is smaller than the sum of its proper divisors (365483304).

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

204439896 is a wasteful number, since it uses less digits than its factorization.

204439896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3395 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 204439896 is about 14298.2480045634. The cubic root of 204439896 is about 589.0993593687.

The spelling of 204439896 in words is "two hundred four million, four hundred thirty-nine thousand, eight hundred ninety-six".