208492860 has 48 divisors (see below), whose sum is σ = 587524896. Its totient is φ = 55241472.

The previous prime is 208492859. The next prime is 208492883. The reversal of 208492860 is 68294802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647 + ... + 20486.

It is an arithmetic number, because the mean of its divisors is an integer number (12240102).

Almost surely, 2^208492860 is an apocalyptic number.

208492860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208492860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293762448).

208492860 is an abundant number, since it is smaller than the sum of its proper divisors (379032036).

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

208492860 is a wasteful number, since it uses less digits than its factorization.

208492860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22302 (or 22300 counting only the distinct ones).

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

The square root of 208492860 is about 14439.2818380971. The cubic root of 208492860 is about 592.9668239655.

The spelling of 208492860 in words is "two hundred eight million, four hundred ninety-two thousand, eight hundred sixty".