208828284 has 48 divisors (see below), whose sum is σ = 563942400. Its totient is φ = 58908096.

The previous prime is 208828283. The next prime is 208828303. The reversal of 208828284 is 482828802.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208828283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9099 + ... + 22370.

It is an arithmetic number, because the mean of its divisors is an integer number (11748800).

Almost surely, 2^208828284 is an apocalyptic number.

It is an amenable number.

208828284 is an abundant number, since it is smaller than the sum of its proper divisors (355114116).

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

208828284 is a wasteful number, since it uses less digits than its factorization.

208828284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31562 (or 31560 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 208828284 is about 14450.8921523898. The cubic root of 208828284 is about 593.2846425838.

The spelling of 208828284 in words is "two hundred eight million, eight hundred twenty-eight thousand, two hundred eighty-four".