208897001 has 8 divisors (see below), whose sum is σ = 223497600. Its totient is φ = 194657040.

The previous prime is 208896997. The next prime is 208897021. The reversal of 208897001 is 100798802.

It is a happy number.

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 208897001 - 2² = 208896997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208897021) 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, 88961 + ... + 91278.

It is an arithmetic number, because the mean of its divisors is an integer number (27937200).

Almost surely, 2^208897001 is an apocalyptic number.

It is an amenable number.

208897001 is a deficient number, since it is larger than the sum of its proper divisors (14600599).

208897001 is a wasteful number, since it uses less digits than its factorization.

208897001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180319.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 208897001 is about 14453.2695608987. The cubic root of 208897001 is about 593.3497108288.

The spelling of 208897001 in words is "two hundred eight million, eight hundred ninety-seven thousand, one".