3970349 has 2 divisors, whose sum is σ = 3970350. Its totient is φ = 3970348.

The previous prime is 3970339. The next prime is 3970357. The reversal of 3970349 is 9430793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 42025 = 1982^2 + 205^2 .

It is an emirp because it is prime and its reverse (9430793) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3970349 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3970339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1985174 + 1985175.

It is an arithmetic number, because the mean of its divisors is an integer number (1985175).

Almost surely, 2^3970349 is an apocalyptic number.

It is an amenable number.

3970349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3970349 is an equidigital number, since it uses as much as digits as its factorization.

3970349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 3970349 is about 1992.5734616320. The cubic root of 3970349 is about 158.3468984377.

The spelling of 3970349 in words is "three million, nine hundred seventy thousand, three hundred forty-nine".