2782366 has 4 divisors (see below), whose sum is σ = 4173552. Its totient is φ = 1391182.

The previous prime is 2782361. The next prime is 2782391. The reversal of 2782366 is 6632872.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695590 + ... + 695593.

It is an arithmetic number, because the mean of its divisors is an integer number (1043388).

2^2782366 is an apocalyptic number.

2782366 is a deficient number, since it is larger than the sum of its proper divisors (1391186).

2782366 is a wasteful number, since it uses less digits than its factorization.

2782366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391185.

The product of its digits is 24192, while the sum is 34.

The square root of 2782366 is about 1668.0425654041. The cubic root of 2782366 is about 140.6494654388.

It can be divided in two parts, 27823 and 66, that added together give a square (27889 = 167²).

The spelling of 2782366 in words is "two million, seven hundred eighty-two thousand, three hundred sixty-six".