2782894 has 4 divisors (see below), whose sum is σ = 4174344. Its totient is φ = 1391446.

The previous prime is 2782877. The next prime is 2782903. The reversal of 2782894 is 4982872.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695722 + ... + 695725.

It is an arithmetic number, because the mean of its divisors is an integer number (1043586).

2^2782894 is an apocalyptic number.

2782894 is a deficient number, since it is larger than the sum of its proper divisors (1391450).

2782894 is a wasteful number, since it uses less digits than its factorization.

2782894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391449.

The product of its digits is 64512, while the sum is 40.

The square root of 2782894 is about 1668.2008272387. The cubic root of 2782894 is about 140.6583617308.

The spelling of 2782894 in words is "two million, seven hundred eighty-two thousand, eight hundred ninety-four".