208929104 has 20 divisors (see below), whose sum is σ = 405325620. Its totient is φ = 104328960.

The previous prime is 208929101. The next prime is 208929107. The reversal of 208929104 is 401929802.

It is an interprime number because it is at equal distance from previous prime (208929101) and next prime (208929107).

It can be written as a sum of positive squares in 2 ways, for example, as 139240000 + 69689104 = 11800^2 + 8348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208929101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4874 + ... + 21014.

It is an arithmetic number, because the mean of its divisors is an integer number (20266281).

Almost surely, 2^208929104 is an apocalyptic number.

It is an amenable number.

208929104 is a deficient number, since it is larger than the sum of its proper divisors (196396516).

208929104 is a wasteful number, since it uses less digits than its factorization.

208929104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16958 (or 16952 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 208929104 is about 14454.3800973961. The cubic root of 208929104 is about 593.3801043241.

The spelling of 208929104 in words is "two hundred eight million, nine hundred twenty-nine thousand, one hundred four".