208678484 has 48 divisors (see below), whose sum is σ = 440918016. Its totient is φ = 84520800.

The previous prime is 208678469. The next prime is 208678487. The reversal of 208678484 is 484876802.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208678487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34529 + ... + 40119.

It is an arithmetic number, because the mean of its divisors is an integer number (9185792).

Almost surely, 2^208678484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208678484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220459008).

208678484 is an abundant number, since it is smaller than the sum of its proper divisors (232239532).

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

208678484 is a wasteful number, since it uses less digits than its factorization.

208678484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676 (or 5674 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The square root of 208678484 is about 14445.7081515584. The cubic root of 208678484 is about 593.1427472156.

The spelling of 208678484 in words is "two hundred eight million, six hundred seventy-eight thousand, four hundred eighty-four".