208881396 has 48 divisors (see below), whose sum is σ = 543177600. Its totient is φ = 69417216.

The previous prime is 208881371. The next prime is 208881419. The reversal of 208881396 is 693188802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35385 + ... + 40863.

It is an arithmetic number, because the mean of its divisors is an integer number (11316200).

Almost surely, 2^208881396 is an apocalyptic number.

It is an amenable number.

208881396 is an abundant number, since it is smaller than the sum of its proper divisors (334296204).

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

208881396 is a wasteful number, since it uses less digits than its factorization.

208881396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 208881396 is about 14452.7297075674. The cubic root of 208881396 is about 593.3349356800.

The spelling of 208881396 in words is "two hundred eight million, eight hundred eighty-one thousand, three hundred ninety-six".