288947616 has 48 divisors (see below), whose sum is σ = 776137824. Its totient is φ = 94074624.

The previous prime is 288947609. The next prime is 288947627. The reversal of 288947616 is 616749882.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×288947616³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30871 + ... + 39126.

It is an arithmetic number, because the mean of its divisors is an integer number (16169538).

Almost surely, 2^288947616 is an apocalyptic number.

It is an amenable number.

288947616 is an abundant number, since it is smaller than the sum of its proper divisors (487190208).

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

288947616 is a wasteful number, since it uses less digits than its factorization.

288947616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70053 (or 70045 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 288947616 is about 16998.4592242944. The cubic root of 288947616 is about 661.1089529221.

It can be divided in two parts, 2889 and 47616, that added together give a palindrome (50505).

The spelling of 288947616 in words is "two hundred eighty-eight million, nine hundred forty-seven thousand, six hundred sixteen".