288397982 has 8 divisors (see below), whose sum is σ = 447514200. Its totient is φ = 139226584.

The previous prime is 288397981. The next prime is 288397999. The reversal of 288397982 is 289793882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288397981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2486132 + ... + 2486247.

It is an arithmetic number, because the mean of its divisors is an integer number (55939275).

Almost surely, 2^288397982 is an apocalyptic number.

288397982 is a deficient number, since it is larger than the sum of its proper divisors (159116218).

288397982 is a wasteful number, since it uses less digits than its factorization.

288397982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972410.

The product of its digits is 3483648, while the sum is 56.

The square root of 288397982 is about 16982.2843575298. The cubic root of 288397982 is about 660.6895013439.

The spelling of 288397982 in words is "two hundred eighty-eight million, three hundred ninety-seven thousand, nine hundred eighty-two".