208942086 has 16 divisors (see below), whose sum is σ = 418615344. Its totient is φ = 69525504.

The previous prime is 208942079. The next prime is 208942093. The reversal of 208942086 is 680249802.

It is an interprime number because it is at equal distance from previous prime (208942079) and next prime (208942093).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 26715 + ... + 33638.

It is an arithmetic number, because the mean of its divisors is an integer number (26163459).

Almost surely, 2^208942086 is an apocalyptic number.

208942086 is an abundant number, since it is smaller than the sum of its proper divisors (209673258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208942086 is a wasteful number, since it uses less digits than its factorization.

208942086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60935.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 208942086 is about 14454.8291584508. The cubic root of 208942086 is about 593.3923941405.

The spelling of 208942086 in words is "two hundred eight million, nine hundred forty-two thousand, eighty-six".