288842890 has 16 divisors (see below), whose sum is σ = 594191232. Its totient is φ = 99031824.

The previous prime is 288842867. The next prime is 288842893. The reversal of 288842890 is 98248882.

It is a super-3 number, since 3×288842890³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (288842893) 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, 2063094 + ... + 2063233.

It is an arithmetic number, because the mean of its divisors is an integer number (37136952).

Almost surely, 2^288842890 is an apocalyptic number.

288842890 is an abundant number, since it is smaller than the sum of its proper divisors (305348342).

288842890 is a wasteful number, since it uses less digits than its factorization.

288842890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126341.

The product of its (nonzero) digits is 589824, while the sum is 49.

The square root of 288842890 is about 16995.3784894600. The cubic root of 288842890 is about 661.0290726271.

The spelling of 288842890 in words is "two hundred eighty-eight million, eight hundred forty-two thousand, eight hundred ninety".