289169684 has 12 divisors (see below), whose sum is σ = 506279508. Its totient is φ = 144518400.

The previous prime is 289169663. The next prime is 289169687. The reversal of 289169684 is 486961982.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 243984400 + 45185284 = 15620^2 + 6722^2 .

It is a super-2 number, since 2×289169684² = 167238212289319712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289169687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077 + ... + 24804.

It is an arithmetic number, because the mean of its divisors is an integer number (42189959).

Almost surely, 2^289169684 is an apocalyptic number.

It is an amenable number.

289169684 is a deficient number, since it is larger than the sum of its proper divisors (217109824).

289169684 is a wasteful number, since it uses less digits than its factorization.

289169684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33226 (or 33224 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 289169684 is about 17004.9899735342. The cubic root of 289169684 is about 661.2782725966.

The spelling of 289169684 in words is "two hundred eighty-nine million, one hundred sixty-nine thousand, six hundred eighty-four".