208970504 has 16 divisors (see below), whose sum is σ = 404459520. Its totient is φ = 101114640.

The previous prime is 208970453. The next prime is 208970513. The reversal of 208970504 is 405079802.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421064 + ... + 421559.

It is an arithmetic number, because the mean of its divisors is an integer number (25278720).

Almost surely, 2^208970504 is an apocalyptic number.

It is an amenable number.

208970504 is a deficient number, since it is larger than the sum of its proper divisors (195489016).

208970504 is a wasteful number, since it uses less digits than its factorization.

208970504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842660 (or 842656 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 208970504 is about 14455.8121183142. The cubic root of 208970504 is about 593.4192951524.

The spelling of 208970504 in words is "two hundred eight million, nine hundred seventy thousand, five hundred four".