2726838 has 16 divisors (see below), whose sum is σ = 6059760. Its totient is φ = 908928.

The previous prime is 2726837. The next prime is 2726839. The reversal of 2726838 is 8386272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2726837) and next prime (2726839).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2726831) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 25195 + ... + 25302.

It is an arithmetic number, because the mean of its divisors is an integer number (378735).

2^2726838 is an apocalyptic number.

2726838 is an abundant number, since it is smaller than the sum of its proper divisors (3332922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2726838 is a wasteful number, since it uses less digits than its factorization.

2726838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50508 (or 50502 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2726838 is about 1651.3140222259. The cubic root of 2726838 is about 139.7075186390.

It can be divided in two parts, 272683 and 8, that added together give a triangular number (272691 = T₇₃₈).

The spelling of 2726838 in words is "two million, seven hundred twenty-six thousand, eight hundred thirty-eight".