204097340 has 24 divisors (see below), whose sum is σ = 429101232. Its totient is φ = 81544320.

The previous prime is 204097337. The next prime is 204097379. The reversal of 204097340 is 43790402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13295 + ... + 24185.

It is an arithmetic number, because the mean of its divisors is an integer number (17879218).

Almost surely, 2^204097340 is an apocalyptic number.

204097340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204097340 is an abundant number, since it is smaller than the sum of its proper divisors (225003892).

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

204097340 is a wasteful number, since it uses less digits than its factorization.

204097340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11837 (or 11835 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 204097340 is about 14286.2640322794. The cubic root of 204097340 is about 588.7701471492.

The spelling of 204097340 in words is "two hundred four million, ninety-seven thousand, three hundred forty".