208009934 has 8 divisors (see below), whose sum is σ = 340379928. Its totient is φ = 94549960.

The previous prime is 208009931. The next prime is 208009937. The reversal of 208009934 is 439900802.

It is an interprime number because it is at equal distance from previous prime (208009931) and next prime (208009937).

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

It is a junction number, because it is equal to n+sod(n) for n = 208009894 and 208009903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208009931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4727477 + ... + 4727520.

It is an arithmetic number, because the mean of its divisors is an integer number (42547491).

Almost surely, 2^208009934 is an apocalyptic number.

208009934 is a deficient number, since it is larger than the sum of its proper divisors (132369994).

208009934 is a wasteful number, since it uses less digits than its factorization.

208009934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455010.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 208009934 is about 14422.5494972283. The cubic root of 208009934 is about 592.5086460428.

The spelling of 208009934 in words is "two hundred eight million, nine thousand, nine hundred thirty-four".