208465966 has 4 divisors (see below), whose sum is σ = 312698952. Its totient is φ = 104232982.

The previous prime is 208465963. The next prime is 208465973. The reversal of 208465966 is 669564802.

208465966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208465963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52116490 + ... + 52116493.

It is an arithmetic number, because the mean of its divisors is an integer number (78174738).

Almost surely, 2^208465966 is an apocalyptic number.

208465966 is a deficient number, since it is larger than the sum of its proper divisors (104232986).

208465966 is a wasteful number, since it uses less digits than its factorization.

208465966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104232985.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 208465966 is about 14438.3505290598. The cubic root of 208465966 is about 592.9413267926.

The spelling of 208465966 in words is "two hundred eight million, four hundred sixty-five thousand, nine hundred sixty-six".