208428382 has 4 divisors (see below), whose sum is σ = 312642576. Its totient is φ = 104214190.

The previous prime is 208428377. The next prime is 208428419. The reversal of 208428382 is 283824802.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52107094 + ... + 52107097.

It is an arithmetic number, because the mean of its divisors is an integer number (78160644).

Almost surely, 2^208428382 is an apocalyptic number.

208428382 is a deficient number, since it is larger than the sum of its proper divisors (104214194).

208428382 is a wasteful number, since it uses less digits than its factorization.

208428382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104214193.

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 208428382 is about 14437.0489366768. The cubic root of 208428382 is about 592.9056911657.

The spelling of 208428382 in words is "two hundred eight million, four hundred twenty-eight thousand, three hundred eighty-two".