3679649 has 2 divisors, whose sum is σ = 3679650. Its totient is φ = 3679648.

The previous prime is 3679603. The next prime is 3679661. The reversal of 3679649 is 9469763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 1221025 = 1568^2 + 1105^2 .

It is an emirp because it is prime and its reverse (9469763) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3679649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3679679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839824 + 1839825.

It is an arithmetic number, because the mean of its divisors is an integer number (1839825).

Almost surely, 2^3679649 is an apocalyptic number.

It is an amenable number.

3679649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3679649 is an equidigital number, since it uses as much as digits as its factorization.

3679649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 3679649 is about 1918.2411214443. The cubic root of 3679649 is about 154.3839438725.

The spelling of 3679649 in words is "three million, six hundred seventy-nine thousand, six hundred forty-nine".