289641027 has 8 divisors (see below), whose sum is σ = 415894864. Its totient is φ = 178240608.

The previous prime is 289641007. The next prime is 289641041. The reversal of 289641027 is 720146982.

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

It is not a de Polignac number, because 289641027 - 2⁶ = 289640963 is a prime.

It is a super-2 number, since 2×289641027² = 167783849043229458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 7426693 = 289641027 / (2 + 8 + 9 + 6 + 4 + 1 + 0 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289641007) 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 7 ways as a sum of consecutive naturals, for example, 3713308 + ... + 3713385.

It is an arithmetic number, because the mean of its divisors is an integer number (51986858).

Almost surely, 2^289641027 is an apocalyptic number.

289641027 is a deficient number, since it is larger than the sum of its proper divisors (126253837).

289641027 is a wasteful number, since it uses less digits than its factorization.

289641027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7426709.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 289641027 is about 17018.8432920689. The cubic root of 289641027 is about 661.6373693549.

The spelling of 289641027 in words is "two hundred eighty-nine million, six hundred forty-one thousand, twenty-seven".