288453228 has 24 divisors (see below), whose sum is σ = 769208832. Its totient is φ = 82415184.

The previous prime is 288453203. The next prime is 288453239. The reversal of 288453228 is 822354882.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 288453228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716900 + ... + 1717067.

It is an arithmetic number, because the mean of its divisors is an integer number (32050368).

Almost surely, 2^288453228 is an apocalyptic number.

288453228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

288453228 is an abundant number, since it is smaller than the sum of its proper divisors (480755604).

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

288453228 is a wasteful number, since it uses less digits than its factorization.

288453228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433981 (or 3433979 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 288453228 is about 16983.9108570435. The cubic root of 288453228 is about 660.7316862458.

The spelling of 288453228 in words is "two hundred eighty-eight million, four hundred fifty-three thousand, two hundred twenty-eight".