208512966 has 32 divisors (see below), whose sum is σ = 423980928. Its totient is φ = 68351040.

The previous prime is 208512961. The next prime is 208512989. The reversal of 208512966 is 669215802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208512961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256701 + ... + 257511.

It is an arithmetic number, because the mean of its divisors is an integer number (13249404).

Almost surely, 2^208512966 is an apocalyptic number.

208512966 is an abundant number, since it is smaller than the sum of its proper divisors (215467962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208512966 is a wasteful number, since it uses less digits than its factorization.

208512966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 208512966 is about 14439.9780470747. The cubic root of 208512966 is about 592.9858842629.

It can be divided in two parts, 2085 and 12966, that added together give a palindrome (15051).

The spelling of 208512966 in words is "two hundred eight million, five hundred twelve thousand, nine hundred sixty-six".