288859998 has 48 divisors (see below), whose sum is σ = 678637440. Its totient is φ = 81721584.

The previous prime is 288859973. The next prime is 288860023. The reversal of 288859998 is 899958882.

It is an interprime number because it is at equal distance from previous prime (288859973) and next prime (288860023).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25513 + ... + 35051.

It is an arithmetic number, because the mean of its divisors is an integer number (14138280).

Almost surely, 2^288859998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288859998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339318720).

288859998 is an abundant number, since it is smaller than the sum of its proper divisors (389777442).

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

288859998 is a wasteful number, since it uses less digits than its factorization.

288859998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661 (or 9654 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 66.

The square root of 288859998 is about 16995.8817953056. The cubic root of 288859998 is about 661.0421231614.

It can be divided in two parts, 28885 and 9998, that added together give a palindrome (38883).

The spelling of 288859998 in words is "two hundred eighty-eight million, eight hundred fifty-nine thousand, nine hundred ninety-eight".