4322649 has 4 divisors (see below), whose sum is σ = 5763536. Its totient is φ = 2881764.

The previous prime is 4322603. The next prime is 4322651. The reversal of 4322649 is 9462234.

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.

It is not a de Polignac number, because 4322649 - 2¹² = 4318553 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 (4322749) 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, 720439 + ... + 720444.

It is an arithmetic number, because the mean of its divisors is an integer number (1440884).

Almost surely, 2^4322649 is an apocalyptic number.

It is an amenable number.

4322649 is a deficient number, since it is larger than the sum of its proper divisors (1440887).

4322649 is a wasteful number, since it uses less digits than its factorization.

4322649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440886.

The product of its digits is 10368, while the sum is 30.

The square root of 4322649 is about 2079.0981217826. The cubic root of 4322649 is about 162.8983395098.

It can be divided in two parts, 432 and 2649, that added together give a triangular number (3081 = T₇₈).

The spelling of 4322649 in words is "four million, three hundred twenty-two thousand, six hundred forty-nine".