208970 has 8 divisors (see below), whose sum is σ = 376164. Its totient is φ = 83584.

The previous prime is 208963. The next prime is 208991. The reversal of 208970 is 79802.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 121 = 457^2 + 11^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10439 + ... + 10458.

2²⁰⁸⁹⁷⁰ is an apocalyptic number.

208970 is a deficient number, since it is larger than the sum of its proper divisors (167194).

208970 is a wasteful number, since it uses less digits than its factorization.

208970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20904.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 208970 is about 457.1323659510. The cubic root of 208970 is about 59.3418818078.

The spelling of 208970 in words is "two hundred eight thousand, nine hundred seventy".