288485685 has 32 divisors (see below), whose sum is σ = 513600000. Its totient is φ = 153638208.

The previous prime is 288485677. The next prime is 288485689. The reversal of 288485685 is 586584882.

It is a happy number.

288485685 is a `hidden beast` number, since 2 + 88 + 485 + 6 + 85 = 666.

It is not a de Polignac number, because 288485685 - 2³ = 288485677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288485689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143316 + ... + 145314.

It is an arithmetic number, because the mean of its divisors is an integer number (16050000).

Almost surely, 2^288485685 is an apocalyptic number.

It is an amenable number.

288485685 is a deficient number, since it is larger than the sum of its proper divisors (225114315).

288485685 is a wasteful number, since it uses less digits than its factorization.

288485685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082 (or 3076 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 54.

The square root of 288485685 is about 16984.8663521383. The cubic root of 288485685 is about 660.7564673449.

The spelling of 288485685 in words is "two hundred eighty-eight million, four hundred eighty-five thousand, six hundred eighty-five".