288725814 has 48 divisors (see below), whose sum is σ = 676245024. Its totient is φ = 88502400.

The previous prime is 288725797. The next prime is 288725851. The reversal of 288725814 is 418527882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 288725814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63559 + ... + 67949.

It is an arithmetic number, because the mean of its divisors is an integer number (14088438).

Almost surely, 2^288725814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288725814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338122512).

288725814 is an abundant number, since it is smaller than the sum of its proper divisors (387519210).

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

288725814 is a wasteful number, since it uses less digits than its factorization.

288725814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693 (or 4690 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 288725814 is about 16991.9337922439. The cubic root of 288725814 is about 660.9397494449.

The spelling of 288725814 in words is "two hundred eighty-eight million, seven hundred twenty-five thousand, eight hundred fourteen".