208340830 has 8 divisors (see below), whose sum is σ = 375013512. Its totient is φ = 83336328.

The previous prime is 208340809. The next prime is 208340849. The reversal of 208340830 is 38043802.

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, 10417032 + ... + 10417051.

It is an arithmetic number, because the mean of its divisors is an integer number (46876689).

Almost surely, 2^208340830 is an apocalyptic number.

208340830 is a deficient number, since it is larger than the sum of its proper divisors (166672682).

208340830 is a wasteful number, since it uses less digits than its factorization.

208340830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20834090.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 208340830 is about 14434.0164195556. The cubic root of 208340830 is about 592.8226612880.

The spelling of 208340830 in words is "two hundred eight million, three hundred forty thousand, eight hundred thirty".