3649323 has 4 divisors (see below), whose sum is σ = 4865768. Its totient is φ = 2432880.

The previous prime is 3649313. The next prime is 3649337. The reversal of 3649323 is 3239463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3239463 = 3 ⋅1079821.

It is not a de Polignac number, because 3649323 - 2⁴ = 3649307 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3649313) 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, 608218 + ... + 608223.

It is an arithmetic number, because the mean of its divisors is an integer number (1216442).

Almost surely, 2^3649323 is an apocalyptic number.

3649323 is a deficient number, since it is larger than the sum of its proper divisors (1216445).

3649323 is a wasteful number, since it uses less digits than its factorization.

3649323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216444.

The product of its digits is 11664, while the sum is 30.

The square root of 3649323 is about 1910.3201302400. The cubic root of 3649323 is about 153.9586525304.

The spelling of 3649323 in words is "three million, six hundred forty-nine thousand, three hundred twenty-three".