288240835 has 8 divisors (see below), whose sum is σ = 349455456. Its totient is φ = 228215040.

The previous prime is 288240833. The next prime is 288240839. The reversal of 288240835 is 538042882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 288240835 - 2¹ = 288240833 is a prime.

It is a super-2 number, since 2×288240835² = 166165557922994450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288240833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296671 + ... + 297640.

It is an arithmetic number, because the mean of its divisors is an integer number (43681932).

Almost surely, 2^288240835 is an apocalyptic number.

288240835 is a deficient number, since it is larger than the sum of its proper divisors (61214621).

288240835 is an equidigital number, since it uses as much as digits as its factorization.

288240835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594413.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 288240835 is about 16977.6569349248. The cubic root of 288240835 is about 660.5694771143.

The spelling of 288240835 in words is "two hundred eighty-eight million, two hundred forty thousand, eight hundred thirty-five".