3979214387 has 2 divisors, whose sum is σ = 3979214388. Its totient is φ = 3979214386.

The previous prime is 3979214359. The next prime is 3979214461. The reversal of 3979214387 is 7834129793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3979214387 - 2⁸ = 3979214131 is a prime.

It is not a weakly prime, because it can be changed into another prime (3979214587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989607193 + 1989607194.

It is an arithmetic number, because the mean of its divisors is an integer number (1989607194).

Almost surely, 2^3979214387 is an apocalyptic number.

3979214387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3979214387 is an equidigital number, since it uses as much as digits as its factorization.

3979214387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 3979214387 is about 63081.0144734531. The cubic root of 3979214387 is about 1584.6466835130.

The spelling of 3979214387 in words is "three billion, nine hundred seventy-nine million, two hundred fourteen thousand, three hundred eighty-seven".