289000249 has 8 divisors (see below), whose sum is σ = 297461120. Its totient is φ = 280659600.

The previous prime is 289000219. The next prime is 289000253. The reversal of 289000249 is 942000982.

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

It is a cyclic number.

It is not a de Polignac number, because 289000249 - 2¹³ = 288992057 is a prime.

It is a super-2 number, since 2×289000249² = 167042287844124002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289000219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25167 + ... + 34804.

It is an arithmetic number, because the mean of its divisors is an integer number (37182640).

Almost surely, 2^289000249 is an apocalyptic number.

It is an amenable number.

289000249 is a deficient number, since it is larger than the sum of its proper divisors (8460871).

289000249 is an equidigital number, since it uses as much as digits as its factorization.

289000249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60111.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 289000249 is about 17000.0073235278. The cubic root of 289000249 is about 661.1490917259.

The spelling of 289000249 in words is "two hundred eighty-nine million, two hundred forty-nine", and thus it is an aban number.