208970936 has 32 divisors (see below), whose sum is σ = 415743840. Its totient is φ = 98131968.

The previous prime is 208970929. The next prime is 208970947. The reversal of 208970936 is 639079802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77141 + ... + 79803.

It is an arithmetic number, because the mean of its divisors is an integer number (12991995).

Almost surely, 2^208970936 is an apocalyptic number.

It is an amenable number.

208970936 is a deficient number, since it is larger than the sum of its proper divisors (206772904).

208970936 is a wasteful number, since it uses less digits than its factorization.

208970936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263 (or 3259 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 208970936 is about 14455.8270603933. The cubic root of 208970936 is about 593.4197040728.

The spelling of 208970936 in words is "two hundred eight million, nine hundred seventy thousand, nine hundred thirty-six".