289808014 has 4 divisors (see below), whose sum is σ = 434712024. Its totient is φ = 144904006.

The previous prime is 289807997. The next prime is 289808021. The reversal of 289808014 is 410808982.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72452002 + ... + 72452005.

It is an arithmetic number, because the mean of its divisors is an integer number (108678006).

Almost surely, 2^289808014 is an apocalyptic number.

289808014 is a deficient number, since it is larger than the sum of its proper divisors (144904010).

289808014 is a wasteful number, since it uses less digits than its factorization.

289808014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144904009.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 289808014 is about 17023.7485296277. The cubic root of 289808014 is about 661.7644963883.

The spelling of 289808014 in words is "two hundred eighty-nine million, eight hundred eight thousand, fourteen".