1002856929 has 8 divisors (see below), whose sum is σ = 1338228480. Its totient is φ = 668028336.

The previous prime is 1002856853. The next prime is 1002856949. The reversal of 1002856929 is 9296582001.

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

It is a de Polignac number, because none of the positive numbers 2^k-1002856929 is a prime.

It is a super-2 number, since 2×1002856929² = 2011444040086622082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002856949) 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, 131409 + ... + 138830.

It is an arithmetic number, because the mean of its divisors is an integer number (167278560).

Almost surely, 2^1002856929 is an apocalyptic number.

It is an amenable number.

1002856929 is a deficient number, since it is larger than the sum of its proper divisors (335371551).

1002856929 is a wasteful number, since it uses less digits than its factorization.

1002856929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271479.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1002856929 is about 31667.9163981466. The cubic root of 1002856929 is about 1000.9514042096.

The spelling of 1002856929 in words is "one billion, two million, eight hundred fifty-six thousand, nine hundred twenty-nine".