2704689 has 12 divisors (see below), whose sum is σ = 4207476. Its totient is φ = 1664352.

The previous prime is 2704661. The next prime is 2704693. The reversal of 2704689 is 9864072.

It can be written as a sum of positive squares in 2 ways, for example, as 119025 + 2585664 = 345^2 + 1608^2 .

It is not a de Polignac number, because 2704689 - 2¹⁷ = 2573617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2704189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11442 + ... + 11675.

It is an arithmetic number, because the mean of its divisors is an integer number (350623).

2^2704689 is an apocalyptic number.

It is an amenable number.

2704689 is a deficient number, since it is larger than the sum of its proper divisors (1502787).

2704689 is a wasteful number, since it uses less digits than its factorization.

2704689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23136 (or 23133 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2704689 is about 1644.5938708386. The cubic root of 2704689 is about 139.3282273158.

The spelling of 2704689 in words is "two million, seven hundred four thousand, six hundred eighty-nine".