208830460 has 12 divisors (see below), whose sum is σ = 438544008. Its totient is φ = 83532176.

The previous prime is 208830449. The next prime is 208830467. The reversal of 208830460 is 64038802.

It is a happy number.

It is a super-2 number, since 2×208830460² = 87220322047623200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208830467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5220742 + ... + 5220781.

It is an arithmetic number, because the mean of its divisors is an integer number (36545334).

Almost surely, 2^208830460 is an apocalyptic number.

208830460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208830460 is an abundant number, since it is smaller than the sum of its proper divisors (229713548).

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

208830460 is a wasteful number, since it uses less digits than its factorization.

208830460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441532 (or 10441530 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 208830460 is about 14450.9674416629. The cubic root of 208830460 is about 593.2867032608.

The spelling of 208830460 in words is "two hundred eight million, eight hundred thirty thousand, four hundred sixty".