289671684 has 24 divisors (see below), whose sum is σ = 682220448. Its totient is φ = 95654400.

The previous prime is 289671677. The next prime is 289671703. The reversal of 289671684 is 486176982.

It is a super-2 number, since 2×289671684² = 167819369022791712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111517 + ... + 114084.

It is an arithmetic number, because the mean of its divisors is an integer number (28425852).

Almost surely, 2^289671684 is an apocalyptic number.

It is an amenable number.

289671684 is an abundant number, since it is smaller than the sum of its proper divisors (392548764).

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

289671684 is a wasteful number, since it uses less digits than its factorization.

289671684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225715 (or 225713 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 289671684 is about 17019.7439463701. The cubic root of 289671684 is about 661.6607121590.

The spelling of 289671684 in words is "two hundred eighty-nine million, six hundred seventy-one thousand, six hundred eighty-four".