2856929 has 8 divisors (see below), whose sum is σ = 2972928. Its totient is φ = 2742480.

The previous prime is 2856923. The next prime is 2856961. The reversal of 2856929 is 9296582.

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

It is a cyclic number.

It is not a de Polignac number, because 2856929 - 2⁸ = 2856673 is a prime.

It is a super-2 number, since 2×2856929² = 16324086622082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2856923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4574 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (371616).

2^2856929 is an apocalyptic number.

It is an amenable number.

2856929 is a deficient number, since it is larger than the sum of its proper divisors (115999).

2856929 is a wasteful number, since it uses less digits than its factorization.

2856929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its digits is 77760, while the sum is 41.

The square root of 2856929 is about 1690.2452484773. The cubic root of 2856929 is about 141.8948007451.

The spelling of 2856929 in words is "two million, eight hundred fifty-six thousand, nine hundred twenty-nine".