204889126 has 8 divisors (see below), whose sum is σ = 330974784. Its totient is φ = 94564200.

The previous prime is 204889081. The next prime is 204889133. The reversal of 204889126 is 621988402.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3940150 + ... + 3940201.

It is an arithmetic number, because the mean of its divisors is an integer number (41371848).

Almost surely, 2^204889126 is an apocalyptic number.

204889126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204889126 is a deficient number, since it is larger than the sum of its proper divisors (126085658).

204889126 is a wasteful number, since it uses less digits than its factorization.

204889126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880366.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 204889126 is about 14313.9486515776. The cubic root of 204889126 is about 589.5305333691.

The spelling of 204889126 in words is "two hundred four million, eight hundred eighty-nine thousand, one hundred twenty-six".