2784894 has 32 divisors (see below), whose sum is σ = 6475776. Its totient is φ = 781920.

The previous prime is 2784883. The next prime is 2784911. The reversal of 2784894 is 4984872.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2019 + ... + 3105.

It is an arithmetic number, because the mean of its divisors is an integer number (202368).

2^2784894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2784894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3237888).

2784894 is an abundant number, since it is smaller than the sum of its proper divisors (3690882).

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

2784894 is a wasteful number, since it uses less digits than its factorization.

2784894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its digits is 129024, while the sum is 42.

The square root of 2784894 is about 1668.8001677852. The cubic root of 2784894 is about 140.6920496061.

The spelling of 2784894 in words is "two million, seven hundred eighty-four thousand, eight hundred ninety-four".