208490746 has 16 divisors (see below), whose sum is σ = 323129664. Its totient is φ = 100828224.

The previous prime is 208490729. The next prime is 208490767. The reversal of 208490746 is 647094802.

It is a junction number, because it is equal to n+sod(n) for n = 208490699 and 208490708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911 + ... + 20626.

It is an arithmetic number, because the mean of its divisors is an integer number (20195604).

Almost surely, 2^208490746 is an apocalyptic number.

208490746 is a deficient number, since it is larger than the sum of its proper divisors (114638918).

208490746 is a wasteful number, since it uses less digits than its factorization.

208490746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23685.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 208490746 is about 14439.2086348248. The cubic root of 208490746 is about 592.9648198424.

The spelling of 208490746 in words is "two hundred eight million, four hundred ninety thousand, seven hundred forty-six".