2855834 has 4 divisors (see below), whose sum is σ = 4283754. Its totient is φ = 1427916.

The previous prime is 2855819. The next prime is 2855843. The reversal of 2855834 is 4385582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4385582 = 2 ⋅2192791.

It can be written as a sum of positive squares in only one way, i.e., 2569609 + 286225 = 1603^2 + 535^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2855794 and 2855803.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713957 + ... + 713960.

2^2855834 is an apocalyptic number.

2855834 is a deficient number, since it is larger than the sum of its proper divisors (1427920).

2855834 is a wasteful number, since it uses less digits than its factorization.

2855834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427919.

The product of its digits is 38400, while the sum is 35.

The square root of 2855834 is about 1689.9212999427. The cubic root of 2855834 is about 141.8766700108.

The spelling of 2855834 in words is "two million, eight hundred fifty-five thousand, eight hundred thirty-four".