205692834 has 16 divisors (see below), whose sum is σ = 411624288. Its totient is φ = 68524512.

The previous prime is 205692829. The next prime is 205692869. The reversal of 205692834 is 438296502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205692792 and 205692801.

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 7 ways as a sum of consecutive naturals, for example, 2454 + ... + 20430.

It is an arithmetic number, because the mean of its divisors is an integer number (25726518).

Almost surely, 2^205692834 is an apocalyptic number.

205692834 is an abundant number, since it is smaller than the sum of its proper divisors (205931454).

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

205692834 is a wasteful number, since it uses less digits than its factorization.

205692834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19889.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 205692834 is about 14341.9954678559. The cubic root of 205692834 is about 590.3003679803.

The spelling of 205692834 in words is "two hundred five million, six hundred ninety-two thousand, eight hundred thirty-four".