288860868 has 36 divisors (see below), whose sum is σ = 734412588. Its totient is φ = 95728320.

The previous prime is 288860849. The next prime is 288860911. The reversal of 288860868 is 868068882.

288860868 is a `hidden beast` number, since 28 + 8 + 8 + 608 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230979204 + 57881664 = 15198^2 + 7608^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16963 + ... + 29418.

Almost surely, 2^288860868 is an apocalyptic number.

It is an amenable number.

288860868 is an abundant number, since it is smaller than the sum of its proper divisors (445551720).

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

288860868 is a wasteful number, since it uses less digits than its factorization.

288860868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46564 (or 46559 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 54.

The square root of 288860868 is about 16995.9073897218. The cubic root of 288860868 is about 661.0427868117.

The spelling of 288860868 in words is "two hundred eighty-eight million, eight hundred sixty thousand, eight hundred sixty-eight".