4396681 has 2 divisors, whose sum is σ = 4396682. Its totient is φ = 4396680.

The previous prime is 4396669. The next prime is 4396687. The reversal of 4396681 is 1866934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2944656 + 1452025 = 1716^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 4396681 - 2²¹ = 2299529 is a prime.

It is a super-2 number, since 2×4396681² = 38661607631522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4396681.

It is not a weakly prime, because it can be changed into another prime (4396687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198340 + 2198341.

It is an arithmetic number, because the mean of its divisors is an integer number (2198341).

Almost surely, 2^4396681 is an apocalyptic number.

It is an amenable number.

4396681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4396681 is an equidigital number, since it uses as much as digits as its factorization.

4396681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 4396681 is about 2096.8264115086. The cubic root of 4396681 is about 163.8230418273.

The spelling of 4396681 in words is "four million, three hundred ninety-six thousand, six hundred eighty-one".