4340649 has 8 divisors (see below), whose sum is σ = 5799232. Its totient is φ = 2887920.

The previous prime is 4340641. The next prime is 4340659. The reversal of 4340649 is 9460434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4340649 - 2³ = 4340641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4340641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (724904).

Almost surely, 2^4340649 is an apocalyptic number.

It is an amenable number.

4340649 is a deficient number, since it is larger than the sum of its proper divisors (1458583).

4340649 is a wasteful number, since it uses less digits than its factorization.

4340649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927.

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

The square root of 4340649 is about 2083.4224247617. The cubic root of 4340649 is about 163.1241354309.

The spelling of 4340649 in words is "four million, three hundred forty thousand, six hundred forty-nine".