208969070 has 32 divisors (see below), whose sum is σ = 394485120. Its totient is φ = 79591680.

The previous prime is 208969069. The next prime is 208969139. The reversal of 208969070 is 70969802.

208969070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16235 + ... + 26105.

It is an arithmetic number, because the mean of its divisors is an integer number (12327660).

Almost surely, 2^208969070 is an apocalyptic number.

208969070 is a deficient number, since it is larger than the sum of its proper divisors (185516050).

208969070 is a wasteful number, since it uses less digits than its factorization.

208969070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9980.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 208969070 is about 14455.7625188020. The cubic root of 208969070 is about 593.4179377595.

The spelling of 208969070 in words is "two hundred eight million, nine hundred sixty-nine thousand, seventy".