2855830 has 32 divisors (see below), whose sum is σ = 5528736. Its totient is φ = 1058304.

The previous prime is 2855819. The next prime is 2855843. The reversal of 2855830 is 385582.

It is a junction number, because it is equal to n+sod(n) for n = 2855792 and 2855801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18112 + ... + 18268.

It is an arithmetic number, because the mean of its divisors is an integer number (172773).

2^2855830 is an apocalyptic number.

2855830 is a deficient number, since it is larger than the sum of its proper divisors (2672906).

2855830 is a wasteful number, since it uses less digits than its factorization.

2855830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 2855830 is about 1689.9201164552. The cubic root of 2855830 is about 141.8766037713.

The spelling of 2855830 in words is "two million, eight hundred fifty-five thousand, eight hundred thirty".