288956028 has 48 divisors (see below), whose sum is σ = 727050240. Its totient is φ = 89020800.

The previous prime is 288956027. The next prime is 288956077. The reversal of 288956028 is 820659882.

It is a super-4 number, since 4×288956028⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288956027) 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, 6108 + ... + 24803.

It is an arithmetic number, because the mean of its divisors is an integer number (15146880).

Almost surely, 2^288956028 is an apocalyptic number.

It is an amenable number.

288956028 is an abundant number, since it is smaller than the sum of its proper divisors (438094212).

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

288956028 is a wasteful number, since it uses less digits than its factorization.

288956028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30978 (or 30976 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 288956028 is about 16998.7066566842. The cubic root of 288956028 is about 661.1153683809.

The spelling of 288956028 in words is "two hundred eighty-eight million, nine hundred fifty-six thousand, twenty-eight".