2793649 has 6 divisors (see below), whose sum is σ = 2920946. Its totient is φ = 2671680.

The previous prime is 2793647. The next prime is 2793673. The reversal of 2793649 is 9463972.

It can be written as a sum of positive squares in only one way, i.e., 1904400 + 889249 = 1380^2 + 943^2 .

It is not a de Polignac number, because 2793649 - 2¹ = 2793647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2793643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2112 + ... + 3169.

2^2793649 is an apocalyptic number.

It is an amenable number.

2793649 is a deficient number, since it is larger than the sum of its proper divisors (127297).

2793649 is an equidigital number, since it uses as much as digits as its factorization.

2793649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327 (or 5304 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 2793649 is about 1671.4212515102. The cubic root of 2793649 is about 140.8393287443.

The spelling of 2793649 in words is "two million, seven hundred ninety-three thousand, six hundred forty-nine".