289062729 has 8 divisors (see below), whose sum is σ = 428241120. Its totient is φ = 192708468.

The previous prime is 289062703. The next prime is 289062731. The reversal of 289062729 is 927260982.

It is not a de Polignac number, because 289062729 - 2⁷ = 289062601 is a prime.

It is a super-2 number, since 2×289062729² = 167114522593854882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (289062769) 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, 5352987 + ... + 5353040.

It is an arithmetic number, because the mean of its divisors is an integer number (53530140).

Almost surely, 2^289062729 is an apocalyptic number.

It is an amenable number.

289062729 is a deficient number, since it is larger than the sum of its proper divisors (139178391).

289062729 is a wasteful number, since it uses less digits than its factorization.

289062729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10706036 (or 10706030 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 289062729 is about 17001.8448704839. The cubic root of 289062729 is about 661.1967336903.

The spelling of 289062729 in words is "two hundred eighty-nine million, sixty-two thousand, seven hundred twenty-nine".