2858009 has 8 divisors (see below), whose sum is σ = 3563328. Its totient is φ = 2226960.

The previous prime is 2857993. The next prime is 2858029. The reversal of 2858009 is 9008582.

2858009 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 2858009 - 2⁴ = 2857993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2858029) 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, 18482 + ... + 18635.

It is an arithmetic number, because the mean of its divisors is an integer number (445416).

2^2858009 is an apocalyptic number.

It is an amenable number.

2858009 is a deficient number, since it is larger than the sum of its proper divisors (705319).

2858009 is a wasteful number, since it uses less digits than its factorization.

2858009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37135.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2858009 is about 1690.5646985549. The cubic root of 2858009 is about 141.9126785757.

The spelling of 2858009 in words is "two million, eight hundred fifty-eight thousand, nine".