288881900 has 36 divisors (see below), whose sum is σ = 642172440. Its totient is φ = 112732800.

The previous prime is 288881861. The next prime is 288881911. The reversal of 288881900 is 9188882.

288881900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×288881900² = 166905504295220000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31130 + ... + 39329.

Almost surely, 2^288881900 is an apocalyptic number.

288881900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288881900 is an abundant number, since it is smaller than the sum of its proper divisors (353290540).

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

288881900 is a wasteful number, since it uses less digits than its factorization.

288881900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70514 (or 70507 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 44.

The square root of 288881900 is about 16996.5261156508. The cubic root of 288881900 is about 661.0588299614.

The spelling of 288881900 in words is "two hundred eighty-eight million, eight hundred eighty-one thousand, nine hundred".