3213979 has 2 divisors, whose sum is σ = 3213980. Its totient is φ = 3213978.

The previous prime is 3213961. The next prime is 3214007. The reversal of 3213979 is 9793123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3213979 - 2⁷ = 3213851 is a prime.

It is a super-2 number, since 2×3213979² = 20659322024882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3213479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606989 + 1606990.

It is an arithmetic number, because the mean of its divisors is an integer number (1606990).

Almost surely, 2^3213979 is an apocalyptic number.

3213979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213979 is an equidigital number, since it uses as much as digits as its factorization.

3213979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 34.

The square root of 3213979 is about 1792.7573734334. The cubic root of 3213979 is about 147.5755277274.

The spelling of 3213979 in words is "three million, two hundred thirteen thousand, nine hundred seventy-nine".