208834634 has 8 divisors (see below), whose sum is σ = 314260128. Its totient is φ = 104081260.

The previous prime is 208834627. The next prime is 208834657. The reversal of 208834634 is 436438802.

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

It is a super-2 number, since 2×208834634² = 87223808715827912, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 167252 + ... + 168495.

It is an arithmetic number, because the mean of its divisors is an integer number (39282516).

Almost surely, 2^208834634 is an apocalyptic number.

208834634 is a deficient number, since it is larger than the sum of its proper divisors (105425494).

208834634 is a wasteful number, since it uses less digits than its factorization.

208834634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336060.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 208834634 is about 14451.1118603379. Note that the first 3 decimals coincide. The cubic root of 208834634 is about 593.2906560082.

The spelling of 208834634 in words is "two hundred eight million, eight hundred thirty-four thousand, six hundred thirty-four".