288005385 has 16 divisors (see below), whose sum is σ = 462288384. Its totient is φ = 153109632.

The previous prime is 288005327. The next prime is 288005387. The reversal of 288005385 is 583500882.

It is not a de Polignac number, because 288005385 - 2⁶ = 288005321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (288005387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25977 + ... + 35366.

It is an arithmetic number, because the mean of its divisors is an integer number (28893024).

Almost surely, 2^288005385 is an apocalyptic number.

It is an amenable number.

288005385 is a deficient number, since it is larger than the sum of its proper divisors (174282999).

288005385 is a wasteful number, since it uses less digits than its factorization.

288005385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61664.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 288005385 is about 16970.7214048195. The cubic root of 288005385 is about 660.3895656973.

The spelling of 288005385 in words is "two hundred eighty-eight million, five thousand, three hundred eighty-five".