288680206 has 4 divisors (see below), whose sum is σ = 433020312. Its totient is φ = 144340102.

The previous prime is 288680201. The next prime is 288680219. The reversal of 288680206 is 602086882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602086882 = 2 ⋅301043441.

It is a super-2 number, since 2×288680206² = 166672522672404872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288680201) 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 as a sum of consecutive naturals, namely, 72170050 + ... + 72170053.

It is an arithmetic number, because the mean of its divisors is an integer number (108255078).

Almost surely, 2^288680206 is an apocalyptic number.

288680206 is a deficient number, since it is larger than the sum of its proper divisors (144340106).

288680206 is a wasteful number, since it uses less digits than its factorization.

288680206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144340105.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 288680206 is about 16990.5916906975. The cubic root of 288680206 is about 660.9049462672.

The spelling of 288680206 in words is "two hundred eighty-eight million, six hundred eighty thousand, two hundred six".