2774806 has 4 divisors (see below), whose sum is σ = 4162212. Its totient is φ = 1387402.

The previous prime is 2774801. The next prime is 2774819. The reversal of 2774806 is 6084772.

2774806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (2774801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693700 + ... + 693703.

It is an arithmetic number, because the mean of its divisors is an integer number (1040553).

2^2774806 is an apocalyptic number.

2774806 is a deficient number, since it is larger than the sum of its proper divisors (1387406).

2774806 is a wasteful number, since it uses less digits than its factorization.

2774806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387405.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 2774806 is about 1665.7748947562. The cubic root of 2774806 is about 140.5219631070.

Subtracting from 2774806 its sum of digits (34), we obtain a palindrome (2774772).

The spelling of 2774806 in words is "two million, seven hundred seventy-four thousand, eight hundred six".