205944034 has 4 divisors (see below), whose sum is σ = 308916054. Its totient is φ = 102972016.

The previous prime is 205944029. The next prime is 205944041. The reversal of 205944034 is 430449502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 177822225 + 28121809 = 13335^2 + 5303^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 205943987 and 205944005.

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 as a sum of consecutive naturals, namely, 51486007 + ... + 51486010.

Almost surely, 2^205944034 is an apocalyptic number.

205944034 is a deficient number, since it is larger than the sum of its proper divisors (102972020).

205944034 is a wasteful number, since it uses less digits than its factorization.

205944034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102972019.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 205944034 is about 14350.7502939742. The cubic root of 205944034 is about 590.5405693967.

The spelling of 205944034 in words is "two hundred five million, nine hundred forty-four thousand, thirty-four".