204893190 has 24 divisors (see below), whose sum is σ = 532722528. Its totient is φ = 54638160.

The previous prime is 204893137. The next prime is 204893191. The reversal of 204893190 is 91398402.

It is a super-2 number, since 2×204893190² = 83962438616752200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204893191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1138206 + ... + 1138385.

It is an arithmetic number, because the mean of its divisors is an integer number (22196772).

Almost surely, 2^204893190 is an apocalyptic number.

204893190 is an abundant number, since it is smaller than the sum of its proper divisors (327829338).

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

204893190 is a wasteful number, since it uses less digits than its factorization.

204893190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276604 (or 2276601 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 204893190 is about 14314.0906103042. The cubic root of 204893190 is about 589.5344311459.

The spelling of 204893190 in words is "two hundred four million, eight hundred ninety-three thousand, one hundred ninety".