288488904 has 64 divisors (see below), whose sum is σ = 797921280. Its totient is φ = 86184000.

The previous prime is 288488903. The next prime is 288488909. The reversal of 288488904 is 409884882.

It is a super-2 number, since 2×288488904² = 166451695462242432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (288488903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11049 + ... + 26439.

It is an arithmetic number, because the mean of its divisors is an integer number (12467520).

Almost surely, 2^288488904 is an apocalyptic number.

288488904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288488904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398960640).

288488904 is an abundant number, since it is smaller than the sum of its proper divisors (509432376).

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

288488904 is a wasteful number, since it uses less digits than its factorization.

288488904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15482 (or 15478 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 51.

The square root of 288488904 is about 16984.9611127020. The cubic root of 288488904 is about 660.7589249679.

The spelling of 288488904 in words is "two hundred eighty-eight million, four hundred eighty-eight thousand, nine hundred four".