288061988 has 24 divisors (see below), whose sum is σ = 533628480. Its totient is φ = 135828000.

The previous prime is 288061987. The next prime is 288061997. The reversal of 288061988 is 889160882.

It is not an unprimeable number, because it can be changed into a prime (288061987) 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, 23888 + ... + 33863.

It is an arithmetic number, because the mean of its divisors is an integer number (22234520).

Almost surely, 2^288061988 is an apocalyptic number.

It is an amenable number.

288061988 is a deficient number, since it is larger than the sum of its proper divisors (245566492).

288061988 is a wasteful number, since it uses less digits than its factorization.

288061988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57827 (or 57825 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 50.

The square root of 288061988 is about 16972.3889891789. The cubic root of 288061988 is about 660.4328259787.

The spelling of 288061988 in words is "two hundred eighty-eight million, sixty-one thousand, nine hundred eighty-eight".