288821082 has 32 divisors (see below), whose sum is σ = 631102464. Its totient is φ = 87390000.

The previous prime is 288821081. The next prime is 288821083. The reversal of 288821082 is 280128882.

It is an interprime number because it is at equal distance from previous prime (288821081) and next prime (288821083).

It is a self number, because there is not a number n which added to its sum of digits gives 288821082.

It is not an unprimeable number, because it can be changed into a prime (288821081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46653 + ... + 52479.

It is an arithmetic number, because the mean of its divisors is an integer number (19721952).

Almost surely, 2^288821082 is an apocalyptic number.

288821082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

288821082 is an abundant number, since it is smaller than the sum of its proper divisors (342281382).

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

288821082 is a wasteful number, since it uses less digits than its factorization.

288821082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6594.

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 288821082 is about 16994.7368911672. The cubic root of 288821082 is about 661.0124360341.

The spelling of 288821082 in words is "two hundred eighty-eight million, eight hundred twenty-one thousand, eighty-two".