208283812 has 12 divisors (see below), whose sum is σ = 397632816. Its totient is φ = 94674440.

The previous prime is 208283807. The next prime is 208283821. The reversal of 208283812 is 218382802.

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 3 ways as a sum of consecutive naturals, for example, 2366818 + ... + 2366905.

It is an arithmetic number, because the mean of its divisors is an integer number (33136068).

Almost surely, 2^208283812 is an apocalyptic number.

208283812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

208283812 is a deficient number, since it is larger than the sum of its proper divisors (189349004).

208283812 is a wasteful number, since it uses less digits than its factorization.

208283812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733738 (or 4733736 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 208283812 is about 14432.0411584779. The cubic root of 208283812 is about 592.7685757997.

The spelling of 208283812 in words is "two hundred eight million, two hundred eighty-three thousand, eight hundred twelve".