205938049 has 8 divisors (see below), whose sum is σ = 207235712. Its totient is φ = 204644880.

The previous prime is 205938043. The next prime is 205938133. The reversal of 205938049 is 940839502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 205938049 - 2¹¹ = 205936001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205938043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141007 + ... + 142459.

It is an arithmetic number, because the mean of its divisors is an integer number (25904464).

Almost surely, 2^205938049 is an apocalyptic number.

It is an amenable number.

205938049 is a deficient number, since it is larger than the sum of its proper divisors (1297663).

205938049 is a wasteful number, since it uses less digits than its factorization.

205938049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 205938049 is about 14350.5417667766. The cubic root of 205938049 is about 590.5348487171.

The spelling of 205938049 in words is "two hundred five million, nine hundred thirty-eight thousand, forty-nine".