2840929 has 8 divisors (see below), whose sum is σ = 3496640. Its totient is φ = 2247696.

The previous prime is 2840917. The next prime is 2840939. The reversal of 2840929 is 9290482.

2840929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2840929 - 2⁷ = 2840801 is a prime.

It is a super-3 number, since 3×2840929³ = 68786370543333255267, which contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2840894 and 2840903.

It is not an unprimeable number, because it can be changed into a prime (2840939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15519 + ... + 15700.

It is an arithmetic number, because the mean of its divisors is an integer number (437080).

2^2840929 is an apocalyptic number.

It is an amenable number.

2840929 is a deficient number, since it is larger than the sum of its proper divisors (655711).

2840929 is a wasteful number, since it uses less digits than its factorization.

2840929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31239.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2840929 is about 1685.5055621386. The cubic root of 2840929 is about 141.6294145804.

The spelling of 2840929 in words is "two million, eight hundred forty thousand, nine hundred twenty-nine".