4396649 has 4 divisors (see below), whose sum is σ = 4404036. Its totient is φ = 4389264.

The previous prime is 4396643. The next prime is 4396669. The reversal of 4396649 is 9466934.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3115225 + 1281424 = 1765^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 4396649 - 2⁴ = 4396633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4396643) 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, 2714 + ... + 4019.

It is an arithmetic number, because the mean of its divisors is an integer number (1101009).

Almost surely, 2^4396649 is an apocalyptic number.

It is an amenable number.

4396649 is a deficient number, since it is larger than the sum of its proper divisors (7387).

4396649 is an equidigital number, since it uses as much as digits as its factorization.

4396649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386.

The product of its digits is 139968, while the sum is 41.

The square root of 4396649 is about 2096.8187809155. The cubic root of 4396649 is about 163.8226443797.

The spelling of 4396649 in words is "four million, three hundred ninety-six thousand, six hundred forty-nine".