208793380 has 48 divisors (see below), whose sum is σ = 453055680. Its totient is φ = 80777088.

The previous prime is 208793363. The next prime is 208793381. The reversal of 208793380 is 83397802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (208793381) 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, 90886 + ... + 93154.

It is an arithmetic number, because the mean of its divisors is an integer number (9438660).

Almost surely, 2^208793380 is an apocalyptic number.

208793380 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 208793380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226527840).

208793380 is an abundant number, since it is smaller than the sum of its proper divisors (244262300).

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

208793380 is a wasteful number, since it uses less digits than its factorization.

208793380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 208793380 is about 14449.6844256198. The cubic root of 208793380 is about 593.2515864597.

The spelling of 208793380 in words is "two hundred eight million, seven hundred ninety-three thousand, three hundred eighty".