208038680 has 32 divisors (see below), whose sum is σ = 488440800. Its totient is φ = 79597056.

The previous prime is 208038643. The next prime is 208038683. The reversal of 208038680 is 86830802.

It is a super-2 number, since 2×208038680² = 86560184752284800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 208038680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208038683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112145 + ... + 113984.

It is an arithmetic number, because the mean of its divisors is an integer number (15263775).

Almost surely, 2^208038680 is an apocalyptic number.

208038680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208038680 is an abundant number, since it is smaller than the sum of its proper divisors (280402120).

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

208038680 is a wasteful number, since it uses less digits than its factorization.

208038680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226163 (or 226159 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 208038680 is about 14423.5460272431. The cubic root of 208038680 is about 592.5359387602.

The spelling of 208038680 in words is "two hundred eight million, thirty-eight thousand, six hundred eighty".