289874684 has 48 divisors (see below), whose sum is σ = 595649376. Its totient is φ = 121958400.

The previous prime is 289874647. The next prime is 289874693. The reversal of 289874684 is 486478982.

289874684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 42452 + ... + 48804.

It is an arithmetic number, because the mean of its divisors is an integer number (12409362).

Almost surely, 2^289874684 is an apocalyptic number.

It is an amenable number.

289874684 is an abundant number, since it is smaller than the sum of its proper divisors (305774692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289874684 is a wasteful number, since it uses less digits than its factorization.

289874684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6446 (or 6444 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 56.

The square root of 289874684 is about 17025.7065638992. The cubic root of 289874684 is about 661.8152385510.

The spelling of 289874684 in words is "two hundred eighty-nine million, eight hundred seventy-four thousand, six hundred eighty-four".