208420288 has 14 divisors (see below), whose sum is σ = 413584136. Its totient is φ = 104210112.

The previous prime is 208420279. The next prime is 208420301. The reversal of 208420288 is 882024802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628220 + ... + 1628347.

It is an arithmetic number, because the mean of its divisors is an integer number (29541724).

Almost surely, 2^208420288 is an apocalyptic number.

It is an amenable number.

208420288 is a deficient number, since it is larger than the sum of its proper divisors (205163848).

208420288 is an equidigital number, since it uses as much as digits as its factorization.

208420288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256579 (or 3256569 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 208420288 is about 14436.7686135090. The cubic root of 208420288 is about 592.8980162020.

The spelling of 208420288 in words is "two hundred eight million, four hundred twenty thousand, two hundred eighty-eight".