288284738 has 48 divisors (see below), whose sum is σ = 519320160. Its totient is φ = 119617344.

The previous prime is 288284729. The next prime is 288284747. The reversal of 288284738 is 837482882.

It is a happy number.

288284738 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (288284729) and next prime (288284747).

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421745 + ... + 422427.

It is an arithmetic number, because the mean of its divisors is an integer number (10819170).

Almost surely, 2^288284738 is an apocalyptic number.

288284738 is a deficient number, since it is larger than the sum of its proper divisors (231035422).

288284738 is a wasteful number, since it uses less digits than its factorization.

288284738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 824 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 50.

The square root of 288284738 is about 16978.9498497404. The cubic root of 288284738 is about 660.6030133173.

The spelling of 288284738 in words is "two hundred eighty-eight million, two hundred eighty-four thousand, seven hundred thirty-eight".