204893400 has 96 divisors (see below), whose sum is σ = 650739600. Its totient is φ = 53299200.

The previous prime is 204893357. The next prime is 204893413. The reversal of 204893400 is 4398402.

It is a happy number.

204893400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 20436 + ... + 28764.

Almost surely, 2^204893400 is an apocalyptic number.

204893400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204893400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325369800).

204893400 is an abundant number, since it is smaller than the sum of its proper divisors (445846200).

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

204893400 is a wasteful number, since it uses less digits than its factorization.

204893400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8389 (or 8380 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 204893400 is about 14314.0979457317. The cubic root of 204893400 is about 589.5346325552.

The spelling of 204893400 in words is "two hundred four million, eight hundred ninety-three thousand, four hundred".