288972249 has 8 divisors (see below), whose sum is σ = 385376160. Its totient is φ = 192608256.

The previous prime is 288972241. The next prime is 288972287. The reversal of 288972249 is 942279882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 288972249 - 2³ = 288972241 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (288972241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18649 + ... + 30425.

It is an arithmetic number, because the mean of its divisors is an integer number (48172020).

Almost surely, 2^288972249 is an apocalyptic number.

It is an amenable number.

288972249 is a deficient number, since it is larger than the sum of its proper divisors (96403911).

288972249 is a wasteful number, since it uses less digits than its factorization.

288972249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19959.

The product of its digits is 1161216, while the sum is 51.

The square root of 288972249 is about 16999.1837745228. The cubic root of 288972249 is about 661.1277390655.

The spelling of 288972249 in words is "two hundred eighty-eight million, nine hundred seventy-two thousand, two hundred forty-nine".