208897933 has 8 divisors (see below), whose sum is σ = 223073280. Its totient is φ = 195187440.

The previous prime is 208897903. The next prime is 208897961. The reversal of 208897933 is 339798802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 208897933 - 2¹³ = 208889741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208897903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115285 + ... + 117082.

It is an arithmetic number, because the mean of its divisors is an integer number (27884160).

Almost surely, 2^208897933 is an apocalyptic number.

It is an amenable number.

208897933 is a deficient number, since it is larger than the sum of its proper divisors (14175347).

208897933 is a wasteful number, since it uses less digits than its factorization.

208897933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232427.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 208897933 is about 14453.3018027024. The cubic root of 208897933 is about 593.3505932431.

The spelling of 208897933 in words is "two hundred eight million, eight hundred ninety-seven thousand, nine hundred thirty-three".