2706538 has 4 divisors (see below), whose sum is σ = 4059810. Its totient is φ = 1353268.

The previous prime is 2706527. The next prime is 2706559. The reversal of 2706538 is 8356072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 1225449 = 1217^2 + 1107^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676633 + ... + 676636.

2^2706538 is an apocalyptic number.

2706538 is a deficient number, since it is larger than the sum of its proper divisors (1353272).

2706538 is a wasteful number, since it uses less digits than its factorization.

2706538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353271.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2706538 is about 1645.1559196623. The cubic root of 2706538 is about 139.3599696233.

The spelling of 2706538 in words is "two million, seven hundred six thousand, five hundred thirty-eight".