204269389 has 4 divisors (see below), whose sum is σ = 204416800. Its totient is φ = 204121980.

The previous prime is 204269383. The next prime is 204269413. The reversal of 204269389 is 983962402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204269389 - 2⁵ = 204269357 is a prime.

It is a super-3 number, since 3×204269389³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204269383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71607 + ... + 74404.

It is an arithmetic number, because the mean of its divisors is an integer number (51104200).

Almost surely, 2^204269389 is an apocalyptic number.

It is an amenable number.

204269389 is a deficient number, since it is larger than the sum of its proper divisors (147411).

204269389 is a wasteful number, since it uses less digits than its factorization.

204269389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147410.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 204269389 is about 14292.2842471034. The cubic root of 204269389 is about 588.9355402318.

The spelling of 204269389 in words is "two hundred four million, two hundred sixty-nine thousand, three hundred eighty-nine".