2723842 has 16 divisors (see below), whose sum is σ = 4720032. Its totient is φ = 1165120.

The previous prime is 2723839. The next prime is 2723863. The reversal of 2723842 is 2483272.

It is a self number, because there is not a number n which added to its sum of digits gives 2723842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3268 + ... + 4015.

It is an arithmetic number, because the mean of its divisors is an integer number (295002).

2^2723842 is an apocalyptic number.

2723842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2723842 is a deficient number, since it is larger than the sum of its proper divisors (1996190).

2723842 is a wasteful number, since it uses less digits than its factorization.

2723842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7313.

The product of its digits is 5376, while the sum is 28.

The square root of 2723842 is about 1650.4066165645. The cubic root of 2723842 is about 139.6563339442.

It can be divided in two parts, 272 and 3842, that added together give a palindrome (4114).

The spelling of 2723842 in words is "two million, seven hundred twenty-three thousand, eight hundred forty-two".