208486860 has 48 divisors (see below), whose sum is σ = 599546976. Its totient is φ = 54093312.

The previous prime is 208486799. The next prime is 208486871. The reversal of 208486860 is 68684802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44737 + ... + 49176.

It is an arithmetic number, because the mean of its divisors is an integer number (12490562).

Almost surely, 2^208486860 is an apocalyptic number.

208486860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208486860 is an abundant number, since it is smaller than the sum of its proper divisors (391060116).

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

208486860 is a wasteful number, since it uses less digits than its factorization.

208486860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93962 (or 93960 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 208486860 is about 14439.0740700365. The cubic root of 208486860 is about 592.9611357850.

The spelling of 208486860 in words is "two hundred eight million, four hundred eighty-six thousand, eight hundred sixty".