205942934 has 8 divisors (see below), whose sum is σ = 309082608. Its totient is φ = 102915400.

The previous prime is 205942909. The next prime is 205942969. The reversal of 205942934 is 439249502.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23282 + ... + 30885.

It is an arithmetic number, because the mean of its divisors is an integer number (38635326).

Almost surely, 2^205942934 is an apocalyptic number.

205942934 is a deficient number, since it is larger than the sum of its proper divisors (103139674).

205942934 is a wasteful number, since it uses less digits than its factorization.

205942934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56070.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 205942934 is about 14350.7119684007. The cubic root of 205942934 is about 590.5395179852.

The spelling of 205942934 in words is "two hundred five million, nine hundred forty-two thousand, nine hundred thirty-four".