205898072 has 8 divisors (see below), whose sum is σ = 386058900. Its totient is φ = 102949032.

The previous prime is 205898051. The next prime is 205898111. The reversal of 205898072 is 270898502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12868622 + ... + 12868637.

Almost surely, 2^205898072 is an apocalyptic number.

It is an amenable number.

205898072 is a deficient number, since it is larger than the sum of its proper divisors (180160828).

205898072 is a wasteful number, since it uses less digits than its factorization.

205898072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25737265 (or 25737261 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 205898072 is about 14349.1488249303. The cubic root of 205898072 is about 590.4966344102.

The spelling of 205898072 in words is "two hundred five million, eight hundred ninety-eight thousand, seventy-two".