208868445 has 24 divisors (see below), whose sum is σ = 362583936. Its totient is φ = 111228768.

The previous prime is 208868417. The next prime is 208868459. The reversal of 208868445 is 544868802.

208868445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208868445 - 2⁸ = 208868189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 208868445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30312 + ... + 36558.

It is an arithmetic number, because the mean of its divisors is an integer number (15107664).

Almost surely, 2^208868445 is an apocalyptic number.

It is an amenable number.

208868445 is a deficient number, since it is larger than the sum of its proper divisors (153715491).

208868445 is a wasteful number, since it uses less digits than its factorization.

208868445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001 (or 6998 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 208868445 is about 14452.2816537736. The cubic root of 208868445 is about 593.3226728366.

The spelling of 208868445 in words is "two hundred eight million, eight hundred sixty-eight thousand, four hundred forty-five".