288857472 has 64 divisors (see below), whose sum is σ = 812430000. Its totient is φ = 90619904.

The previous prime is 288857453. The next prime is 288857497. The reversal of 288857472 is 274758882.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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, 15597 + ... + 28652.

Almost surely, 2^288857472 is an apocalyptic number.

It is an amenable number.

288857472 is an abundant number, since it is smaller than the sum of its proper divisors (523572528).

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

288857472 is a wasteful number, since it uses less digits than its factorization.

288857472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44283 (or 44271 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The square root of 288857472 is about 16995.8074830236. The cubic root of 288857472 is about 661.0401962795.

The spelling of 288857472 in words is "two hundred eighty-eight million, eight hundred fifty-seven thousand, four hundred seventy-two".