4313649 has 4 divisors (see below), whose sum is σ = 5751536. Its totient is φ = 2875764.

The previous prime is 4313641. The next prime is 4313653. The reversal of 4313649 is 9463134.

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 4313649 - 2³ = 4313641 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4313641) 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, 718939 + ... + 718944.

It is an arithmetic number, because the mean of its divisors is an integer number (1437884).

Almost surely, 2^4313649 is an apocalyptic number.

It is an amenable number.

4313649 is a deficient number, since it is larger than the sum of its proper divisors (1437887).

4313649 is a wasteful number, since it uses less digits than its factorization.

4313649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437886.

The product of its digits is 7776, while the sum is 30.

The square root of 4313649 is about 2076.9325939953. The cubic root of 4313649 is about 162.7852064345.

The spelling of 4313649 in words is "four million, three hundred thirteen thousand, six hundred forty-nine".