3970739 has 2 divisors, whose sum is σ = 3970740. Its totient is φ = 3970738.

The previous prime is 3970723. The next prime is 3970751. The reversal of 3970739 is 9370793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3970739 - 2⁴ = 3970723 is a prime.

It is a super-2 number, since 2×3970739² = 31533536412242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3970039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1985369 + 1985370.

It is an arithmetic number, because the mean of its divisors is an integer number (1985370).

Almost surely, 2^3970739 is an apocalyptic number.

3970739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3970739 is an equidigital number, since it uses as much as digits as its factorization.

3970739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 3970739 is about 1992.6713226220. The cubic root of 3970739 is about 158.3520829750.

The spelling of 3970739 in words is "three million, nine hundred seventy thousand, seven hundred thirty-nine".