208611330 has 16 divisors (see below), whose sum is σ = 500667264. Its totient is φ = 55629680.

The previous prime is 208611313. The next prime is 208611331. The reversal of 208611330 is 33116802.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 208611330.

It is not an unprimeable number, because it can be changed into a prime (208611331) 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 7 ways as a sum of consecutive naturals, for example, 3476826 + ... + 3476885.

It is an arithmetic number, because the mean of its divisors is an integer number (31291704).

Almost surely, 2^208611330 is an apocalyptic number.

208611330 is an abundant number, since it is smaller than the sum of its proper divisors (292055934).

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

208611330 is a wasteful number, since it uses less digits than its factorization.

208611330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953721.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 208611330 is about 14443.3836063438. The cubic root of 208611330 is about 593.0791147465.

The spelling of 208611330 in words is "two hundred eight million, six hundred eleven thousand, three hundred thirty".