208961304 has 32 divisors (see below), whose sum is σ = 524091120. Its totient is φ = 69428736.

The previous prime is 208961287. The next prime is 208961309. The reversal of 208961304 is 403169802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208961309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6397 + ... + 21420.

Almost surely, 2^208961304 is an apocalyptic number.

208961304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

208961304 is an abundant number, since it is smaller than the sum of its proper divisors (315129816).

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

208961304 is a wasteful number, since it uses less digits than its factorization.

208961304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28139 (or 28135 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 208961304 is about 14455.4939037032. The cubic root of 208961304 is about 593.4105865268.

The spelling of 208961304 in words is "two hundred eight million, nine hundred sixty-one thousand, three hundred four".