2823894 has 48 divisors (see below), whose sum is σ = 6739200. Its totient is φ = 850608.

The previous prime is 2823889. The next prime is 2823911. The reversal of 2823894 is 4983282.

Added to its reverse (4983282) it gives a triangular number (7807176 = T₃₉₅₁).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7687 + ... + 8045.

It is an arithmetic number, because the mean of its divisors is an integer number (140400).

2^2823894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2823894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3369600).

2823894 is an abundant number, since it is smaller than the sum of its proper divisors (3915306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2823894 is a wasteful number, since it uses less digits than its factorization.

2823894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 406 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2823894 is about 1680.4445840313. Note that the first 3 decimals coincide. The cubic root of 2823894 is about 141.3457637597.

Adding to 2823894 its reverse (4983282), we get a triangular number (7807176 = T₃₉₅₁).

The spelling of 2823894 in words is "two million, eight hundred twenty-three thousand, eight hundred ninety-four".