1000849729 has 16 divisors (see below), whose sum is σ = 1120787136. Its totient is φ = 885830400.

The previous prime is 1000849727. The next prime is 1000849777. The reversal of 1000849729 is 9279480001.

1000849729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1000849729 - 2¹ = 1000849727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000849691 and 1000849700.

It is not an unprimeable number, because it can be changed into a prime (1000849727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244669 + ... + 248725.

It is an arithmetic number, because the mean of its divisors is an integer number (70049196).

Almost surely, 2^1000849729 is an apocalyptic number.

It is an amenable number.

1000849729 is a deficient number, since it is larger than the sum of its proper divisors (119937407).

1000849729 is a wasteful number, since it uses less digits than its factorization.

1000849729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1000849729 is about 31636.2091439540. The cubic root of 1000849729 is about 1000.2831628113.

The spelling of 1000849729 in words is "one billion, eight hundred forty-nine thousand, seven hundred twenty-nine".