289874685 has 16 divisors (see below), whose sum is σ = 464189760. Its totient is φ = 154469760.

The previous prime is 289874647. The next prime is 289874693. The reversal of 289874685 is 586478982.

It is not a de Polignac number, because 289874685 - 2⁹ = 289874173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11881 + ... + 26849.

It is an arithmetic number, because the mean of its divisors is an integer number (29011860).

Almost surely, 2^289874685 is an apocalyptic number.

It is an amenable number.

289874685 is a deficient number, since it is larger than the sum of its proper divisors (174315075).

289874685 is a wasteful number, since it uses less digits than its factorization.

289874685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16268.

The product of its digits is 7741440, while the sum is 57.

The square root of 289874685 is about 17025.7065932665. The cubic root of 289874685 is about 661.8152393120.

The spelling of 289874685 in words is "two hundred eighty-nine million, eight hundred seventy-four thousand, six hundred eighty-five".