208060290 has 96 divisors (see below), whose sum is σ = 553512960. Its totient is φ = 54214272.

The previous prime is 208060289. The next prime is 208060291. The reversal of 208060290 is 92060802.

It is an interprime number because it is at equal distance from previous prime (208060289) and next prime (208060291).

It is not an unprimeable number, because it can be changed into a prime (208060291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1245787 + ... + 1245953.

It is an arithmetic number, because the mean of its divisors is an integer number (5765760).

Almost surely, 2^208060290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208060290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276756480).

208060290 is an abundant number, since it is smaller than the sum of its proper divisors (345452670).

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

208060290 is a wasteful number, since it uses less digits than its factorization.

208060290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 208060290 is about 14424.2951300921. The cubic root of 208060290 is about 592.5564545897.

The spelling of 208060290 in words is "two hundred eight million, sixty thousand, two hundred ninety".