2706644 has 6 divisors (see below), whose sum is σ = 4736634. Its totient is φ = 1353320.

The previous prime is 2706637. The next prime is 2706653. The reversal of 2706644 is 4466072.

It can be written as a sum of positive squares in only one way, i.e., 2521744 + 184900 = 1588^2 + 430^2 .

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, 338327 + ... + 338334.

It is an arithmetic number, because the mean of its divisors is an integer number (789439).

2^2706644 is an apocalyptic number.

It is an amenable number.

2706644 is a deficient number, since it is larger than the sum of its proper divisors (2029990).

2706644 is a wasteful number, since it uses less digits than its factorization.

2706644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676665 (or 676663 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2706644 is about 1645.1881351383. The cubic root of 2706644 is about 139.3617889172.

It can be divided in two parts, 270664 and 4, that multiplied together give a triangular number (1082656 = T₁₄₇₁).

The spelling of 2706644 in words is "two million, seven hundred six thousand, six hundred forty-four".