205098672 has 40 divisors (see below), whose sum is σ = 548112240. Its totient is φ = 66008320.

The previous prime is 205098671. The next prime is 205098713. The reversal of 205098672 is 276890502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 205098672.

It is not an unprimeable number, because it can be changed into a prime (205098671) 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 7 ways as a sum of consecutive naturals, for example, 72279 + ... + 75062.

It is an arithmetic number, because the mean of its divisors is an integer number (13702806).

Almost surely, 2^205098672 is an apocalyptic number.

It is an amenable number.

205098672 is an abundant number, since it is smaller than the sum of its proper divisors (343013568).

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

205098672 is a wasteful number, since it uses less digits than its factorization.

205098672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147381 (or 147375 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 205098672 is about 14321.2664244472. The cubic root of 205098672 is about 589.7314415019.

The spelling of 205098672 in words is "two hundred five million, ninety-eight thousand, six hundred seventy-two".