289378164 has 24 divisors (see below), whose sum is σ = 691685568. Its totient is φ = 94106560.

The previous prime is 289378163. The next prime is 289378181. The reversal of 289378164 is 461873982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289378163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293592 + ... + 294575.

It is an arithmetic number, because the mean of its divisors is an integer number (28820232).

Almost surely, 2^289378164 is an apocalyptic number.

It is an amenable number.

289378164 is an abundant number, since it is smaller than the sum of its proper divisors (402307404).

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

289378164 is a wasteful number, since it uses less digits than its factorization.

289378164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588215 (or 588213 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 289378164 is about 17011.1188344565. The cubic root of 289378164 is about 661.4371529863.

The spelling of 289378164 in words is "two hundred eighty-nine million, three hundred seventy-eight thousand, one hundred sixty-four".