3940679 has 2 divisors, whose sum is σ = 3940680. Its totient is φ = 3940678.

The previous prime is 3940667. The next prime is 3940691. The reversal of 3940679 is 9760493.

It is a balanced prime because it is at equal distance from previous prime (3940667) and next prime (3940691).

It is a cyclic number.

It is not a de Polignac number, because 3940679 - 2⁴ = 3940663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3940609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970339 + 1970340.

It is an arithmetic number, because the mean of its divisors is an integer number (1970340).

Almost surely, 2^3940679 is an apocalyptic number.

3940679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3940679 is an equidigital number, since it uses as much as digits as its factorization.

3940679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3940679 is about 1985.1143543887. The cubic root of 3940679 is about 157.9514752445.

The spelling of 3940679 in words is "three million, nine hundred forty thousand, six hundred seventy-nine".