289342306 has 8 divisors (see below), whose sum is σ = 473469264. Its totient is φ = 131519220.

The previous prime is 289342297. The next prime is 289342307. The reversal of 289342306 is 603243982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-5 number, since 5×289342306⁵ (a number of 44 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (289342307) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6575940 + ... + 6575983.

It is an arithmetic number, because the mean of its divisors is an integer number (59183658).

Almost surely, 2^289342306 is an apocalyptic number.

289342306 is a deficient number, since it is larger than the sum of its proper divisors (184126958).

289342306 is a wasteful number, since it uses less digits than its factorization.

289342306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151936.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 289342306 is about 17010.0648440857. The cubic root of 289342306 is about 661.4098314210.

The spelling of 289342306 in words is "two hundred eighty-nine million, three hundred forty-two thousand, three hundred six".