204981367 has 16 divisors (see below), whose sum is σ = 225324000. Its totient is φ = 185721984.

The previous prime is 204981353. The next prime is 204981397. The reversal of 204981367 is 763189402.

It is a cyclic number.

It is not a de Polignac number, because 204981367 - 2⁷ = 204981239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204981307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58353 + ... + 61765.

It is an arithmetic number, because the mean of its divisors is an integer number (14082750).

Almost surely, 2^204981367 is an apocalyptic number.

204981367 is a deficient number, since it is larger than the sum of its proper divisors (20342633).

204981367 is a wasteful number, since it uses less digits than its factorization.

204981367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 204981367 is about 14317.1703559048. The cubic root of 204981367 is about 589.6189888972.

The spelling of 204981367 in words is "two hundred four million, nine hundred eighty-one thousand, three hundred sixty-seven".