2649349 has 4 divisors (see below), whose sum is σ = 2655360. Its totient is φ = 2643340.

The previous prime is 2649329. The next prime is 2649371. The reversal of 2649349 is 9439462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9439462 = 2 ⋅4719731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2649349 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6³ + 4⁶ + 9 + 3¹³ + 4¹⁰ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (663840).

2^2649349 is an apocalyptic number.

It is an amenable number.

2649349 is a deficient number, since it is larger than the sum of its proper divisors (6011).

2649349 is an equidigital number, since it uses as much as digits as its factorization.

2649349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010.

The product of its digits is 46656, while the sum is 37.

The square root of 2649349 is about 1627.6820942678. The cubic root of 2649349 is about 138.3714177168.

The spelling of 2649349 in words is "two million, six hundred forty-nine thousand, three hundred forty-nine".