2723806 has 4 divisors (see below), whose sum is σ = 4085712. Its totient is φ = 1361902.

The previous prime is 2723797. The next prime is 2723813. The reversal of 2723806 is 6083272.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 680950 + ... + 680953.

It is an arithmetic number, because the mean of its divisors is an integer number (1021428).

2^2723806 is an apocalyptic number.

2723806 is a deficient number, since it is larger than the sum of its proper divisors (1361906).

2723806 is a wasteful number, since it uses less digits than its factorization.

2723806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361905.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2723806 is about 1650.3957101253. The cubic root of 2723806 is about 139.6557186797.

The spelling of 2723806 in words is "two million, seven hundred twenty-three thousand, eight hundred six".