208930450 has 12 divisors (see below), whose sum is σ = 388610730. Its totient is φ = 83572160.

The previous prime is 208930439. The next prime is 208930457. The reversal of 208930450 is 54039802.

208930450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 95316169 + 113614281 = 9763^2 + 10659^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208930457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2089255 + ... + 2089354.

Almost surely, 2^208930450 is an apocalyptic number.

208930450 is a deficient number, since it is larger than the sum of its proper divisors (179680280).

208930450 is a wasteful number, since it uses less digits than its factorization.

208930450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178621 (or 4178616 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 208930450 is about 14454.4266576022. The cubic root of 208930450 is about 593.3813785808.

The spelling of 208930450 in words is "two hundred eight million, nine hundred thirty thousand, four hundred fifty".