260829729 has 12 divisors (see below), whose sum is σ = 393134976. Its totient is φ = 166326072.

The previous prime is 260829713. The next prime is 260829731. The reversal of 260829729 is 927928062.

It is not a de Polignac number, because 260829729 - 2⁴ = 260829713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260829769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629817 + ... + 630230.

It is an arithmetic number, because the mean of its divisors is an integer number (32761248).

Almost surely, 2^260829729 is an apocalyptic number.

It is an amenable number.

260829729 is a deficient number, since it is larger than the sum of its proper divisors (132305247).

260829729 is a wasteful number, since it uses less digits than its factorization.

260829729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260076 (or 1260073 counting only the distinct ones).

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

The square root of 260829729 is about 16150.2238064988. The cubic root of 260829729 is about 638.9286511034.

The spelling of 260829729 in words is "two hundred sixty million, eight hundred twenty-nine thousand, seven hundred twenty-nine".