3979229 has 2 divisors, whose sum is σ = 3979230. Its totient is φ = 3979228.

The previous prime is 3979219. The next prime is 3979237. The reversal of 3979229 is 9229793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 1435204 = 1595^2 + 1198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3979229 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3979219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989614 + 1989615.

It is an arithmetic number, because the mean of its divisors is an integer number (1989615).

Almost surely, 2^3979229 is an apocalyptic number.

It is an amenable number.

3979229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3979229 is an equidigital number, since it uses as much as digits as its factorization.

3979229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 3979229 is about 1994.8004912773. The cubic root of 3979229 is about 158.4648623294.

The spelling of 3979229 in words is "three million, nine hundred seventy-nine thousand, two hundred twenty-nine".