288198628 has 12 divisors (see below), whose sum is σ = 506459520. Its totient is φ = 143495912.

The previous prime is 288198623. The next prime is 288198629. The reversal of 288198628 is 826891882.

It is not an unprimeable number, because it can be changed into a prime (288198623) 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, 149776 + ... + 151687.

It is an arithmetic number, because the mean of its divisors is an integer number (42204960).

Almost surely, 2^288198628 is an apocalyptic number.

It is an amenable number.

288198628 is a deficient number, since it is larger than the sum of its proper divisors (218260892).

288198628 is a wasteful number, since it uses less digits than its factorization.

288198628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301706 (or 301704 counting only the distinct ones).

The product of its digits is 884736, while the sum is 52.

The square root of 288198628 is about 16976.4138733715. The cubic root of 288198628 is about 660.5372332249.

It can be divided in two parts, 288 and 198628, that added together give a square (198916 = 446²).

The spelling of 288198628 in words is "two hundred eighty-eight million, one hundred ninety-eight thousand, six hundred twenty-eight".