208782342 has 48 divisors (see below), whose sum is σ = 466972272. Its totient is φ = 67366080.

The previous prime is 208782331. The next prime is 208782347. The reversal of 208782342 is 243287802.

It is a junction number, because it is equal to n+sod(n) for n = 208782297 and 208782306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208782347) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 150492 + ... + 151872.

It is an arithmetic number, because the mean of its divisors is an integer number (9728589).

Almost surely, 2^208782342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208782342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233486136).

208782342 is an abundant number, since it is smaller than the sum of its proper divisors (258189930).

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

208782342 is a wasteful number, since it uses less digits than its factorization.

208782342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 208782342 is about 14449.3024745141. The cubic root of 208782342 is about 593.2411320631.

It can be divided in two parts, 20878 and 2342, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 208782342 in words is "two hundred eight million, seven hundred eighty-two thousand, three hundred forty-two".