288288860 has 12 divisors (see below), whose sum is σ = 605406648. Its totient is φ = 115315536.

The previous prime is 288288829. The next prime is 288288893. The reversal of 288288860 is 68882882.

It is a super-2 number, since 2×288288860² = 166220933600199200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 288288799 and 288288808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7207202 + ... + 7207241.

It is an arithmetic number, because the mean of its divisors is an integer number (50450554).

Almost surely, 2^288288860 is an apocalyptic number.

288288860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288288860 is an abundant number, since it is smaller than the sum of its proper divisors (317117788).

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

288288860 is a wasteful number, since it uses less digits than its factorization.

288288860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414452 (or 14414450 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 50.

The square root of 288288860 is about 16979.0712349056. The cubic root of 288288860 is about 660.6061618164.

The spelling of 288288860 in words is "two hundred eighty-eight million, two hundred eighty-eight thousand, eight hundred sixty".