204931419 has 32 divisors (see below), whose sum is σ = 349886976. Its totient is φ = 103576320.

The previous prime is 204931411. The next prime is 204931423. The reversal of 204931419 is 914139402.

It is not a de Polignac number, because 204931419 - 2³ = 204931411 is a prime.

It is a super-2 number, since 2×204931419² = 83993772986707122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 204931419.

It is not an unprimeable number, because it can be changed into a prime (204931411) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3442 + ... + 20535.

It is an arithmetic number, because the mean of its divisors is an integer number (10933968).

Almost surely, 2^204931419 is an apocalyptic number.

204931419 is a deficient number, since it is larger than the sum of its proper divisors (144955557).

204931419 is a wasteful number, since it uses less digits than its factorization.

204931419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24035.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 204931419 is about 14315.4259105344. The cubic root of 204931419 is about 589.5710940047.

It can be divided in two parts, 20493 and 1419, that added together give a palindrome (21912).

The spelling of 204931419 in words is "two hundred four million, nine hundred thirty-one thousand, four hundred nineteen".