288991488 has 36 divisors (see below), whose sum is σ = 769140848. Its totient is φ = 96330240.

The previous prime is 288991487. The next prime is 288991489. The reversal of 288991488 is 884199882.

It is an interprime number because it is at equal distance from previous prime (288991487) and next prime (288991489).

It is not an unprimeable number, because it can be changed into a prime (288991487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187378 + ... + 188913.

Almost surely, 2^288991488 is an apocalyptic number.

It is an amenable number.

288991488 is an abundant number, since it is smaller than the sum of its proper divisors (480149360).

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

288991488 is an equidigital number, since it uses as much as digits as its factorization.

288991488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376310 (or 376296 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 57.

The square root of 288991488 is about 16999.7496452154. The cubic root of 288991488 is about 661.1424107792.

The spelling of 288991488 in words is "two hundred eighty-eight million, nine hundred ninety-one thousand, four hundred eighty-eight".