1002838729 has 4 divisors (see below), whose sum is σ = 1008441360. Its totient is φ = 997236100.

The previous prime is 1002838723. The next prime is 1002838751. The reversal of 1002838729 is 9278382001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002838729 - 2¹³ = 1002830537 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002838691 and 1002838700.

It is not an unprimeable number, because it can be changed into a prime (1002838723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2801047 + ... + 2801404.

It is an arithmetic number, because the mean of its divisors is an integer number (252110340).

Almost surely, 2^1002838729 is an apocalyptic number.

It is an amenable number.

1002838729 is a deficient number, since it is larger than the sum of its proper divisors (5602631).

1002838729 is an equidigital number, since it uses as much as digits as its factorization.

1002838729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602630.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1002838729 is about 31667.6290397624. The cubic root of 1002838729 is about 1000.9453490336.

The spelling of 1002838729 in words is "one billion, two million, eight hundred thirty-eight thousand, seven hundred twenty-nine".