289272629 has 8 divisors (see below), whose sum is σ = 306532800. Its totient is φ = 272039616.

The previous prime is 289272619. The next prime is 289272631. The reversal of 289272629 is 926272982.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289272629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289272619) 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, 17702 + ... + 29864.

It is an arithmetic number, because the mean of its divisors is an integer number (38316600).

Almost surely, 2^289272629 is an apocalyptic number.

It is an amenable number.

289272629 is a deficient number, since it is larger than the sum of its proper divisors (17260171).

289272629 is a wasteful number, since it uses less digits than its factorization.

289272629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13579.

The product of its digits is 435456, while the sum is 47.

The square root of 289272629 is about 17008.0166098226. The cubic root of 289272629 is about 661.3567354264.

The spelling of 289272629 in words is "two hundred eighty-nine million, two hundred seventy-two thousand, six hundred twenty-nine".