288988488 has 24 divisors (see below), whose sum is σ = 782677350. Its totient is φ = 96329472.

The previous prime is 288988433. The next prime is 288988493. The reversal of 288988488 is 884889882.

It can be written as a sum of positive squares in only one way, i.e., 273637764 + 15350724 = 16542^2 + 3918^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×288988488² = 167028692393052288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2006793 + ... + 2006936.

Almost surely, 2^288988488 is an apocalyptic number.

It is an amenable number.

288988488 is an abundant number, since it is smaller than the sum of its proper divisors (493688862).

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

288988488 is a wasteful number, since it uses less digits than its factorization.

288988488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013741 (or 4013734 counting only the distinct ones).

The product of its digits is 18874368, while the sum is 63.

The square root of 288988488 is about 16999.6614083928. The cubic root of 288988488 is about 661.1401230139.

The spelling of 288988488 in words is "two hundred eighty-eight million, nine hundred eighty-eight thousand, four hundred eighty-eight".