288861902 has 32 divisors (see below), whose sum is σ = 522305280. Its totient is φ = 117046080.

The previous prime is 288861893. The next prime is 288861929. The reversal of 288861902 is 209168882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201713 + ... + 203139.

It is an arithmetic number, because the mean of its divisors is an integer number (16322040).

Almost surely, 2^288861902 is an apocalyptic number.

288861902 is a deficient number, since it is larger than the sum of its proper divisors (233443378).

288861902 is a wasteful number, since it uses less digits than its factorization.

288861902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 288861902 is about 16995.9378087824. The cubic root of 288861902 is about 661.0435755621.

The spelling of 288861902 in words is "two hundred eighty-eight million, eight hundred sixty-one thousand, nine hundred two".