2855794 has 4 divisors (see below), whose sum is σ = 4283694. Its totient is φ = 1427896.

The previous prime is 2855791. The next prime is 2855807. The reversal of 2855794 is 4975582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4975582 = 2 ⋅2487791.

It can be written as a sum of positive squares in only one way, i.e., 2706025 + 149769 = 1645^2 + 387^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2³ + 8 + 5⁷ + 5⁹ + 7⁷ + 9³ + 4⁴ .

It is not an unprimeable number, because it can be changed into a prime (2855791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713947 + ... + 713950.

2^2855794 is an apocalyptic number.

2855794 is a deficient number, since it is larger than the sum of its proper divisors (1427900).

2855794 is a wasteful number, since it uses less digits than its factorization.

2855794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427899.

The product of its digits is 100800, while the sum is 40.

The square root of 2855794 is about 1689.9094650306. The cubic root of 2855794 is about 141.8760076131.

It can be divided in two parts, 285579 and 4, that multiplied together give a triangular number (1142316 = T₁₅₁₁).

The spelling of 2855794 in words is "two million, eight hundred fifty-five thousand, seven hundred ninety-four".