2726538 has 16 divisors (see below), whose sum is σ = 5740320. Its totient is φ = 860976.

The previous prime is 2726509. The next prime is 2726561. The reversal of 2726538 is 8356272.

It is a junction number, because it is equal to n+sod(n) for n = 2726499 and 2726508.

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, 11845 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (358770).

2^2726538 is an apocalyptic number.

2726538 is an abundant number, since it is smaller than the sum of its proper divisors (3013782).

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

2726538 is a wasteful number, since it uses less digits than its factorization.

2726538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23941.

The product of its digits is 20160, while the sum is 33.

The square root of 2726538 is about 1651.2231829768. The cubic root of 2726538 is about 139.7023950254.

It can be divided in two parts, 27 and 26538, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 2726538 in words is "two million, seven hundred twenty-six thousand, five hundred thirty-eight".