208842086 has 4 divisors (see below), whose sum is σ = 313263132. Its totient is φ = 104421042.

The previous prime is 208842083. The next prime is 208842107. The reversal of 208842086 is 680248802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208842083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52210520 + ... + 52210523.

It is an arithmetic number, because the mean of its divisors is an integer number (78315783).

Almost surely, 2^208842086 is an apocalyptic number.

208842086 is a deficient number, since it is larger than the sum of its proper divisors (104421046).

208842086 is a wasteful number, since it uses less digits than its factorization.

208842086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104421045.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 208842086 is about 14451.3696928699. The cubic root of 208842086 is about 593.2977128667.

The spelling of 208842086 in words is "two hundred eight million, eight hundred forty-two thousand, eighty-six".