2855829 has 4 divisors (see below), whose sum is σ = 3807776. Its totient is φ = 1903884.

The previous prime is 2855819. The next prime is 2855843. The reversal of 2855829 is 9285582.

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 not a de Polignac number, because 2855829 - 2⁷ = 2855701 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855819) 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, 475969 + ... + 475974.

It is an arithmetic number, because the mean of its divisors is an integer number (951944).

2^2855829 is an apocalyptic number.

It is an amenable number.

2855829 is a deficient number, since it is larger than the sum of its proper divisors (951947).

2855829 is an equidigital number, since it uses as much as digits as its factorization.

2855829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951946.

The product of its digits is 57600, while the sum is 39.

The square root of 2855829 is about 1689.9198205832. The cubic root of 2855829 is about 141.8765872114.

The spelling of 2855829 in words is "two million, eight hundred fifty-five thousand, eight hundred twenty-nine".