3213479 has 2 divisors, whose sum is σ = 3213480. Its totient is φ = 3213478.

The previous prime is 3213473. The next prime is 3213499. The reversal of 3213479 is 9743123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213479 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 (3213473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606739 + 1606740.

It is an arithmetic number, because the mean of its divisors is an integer number (1606740).

Almost surely, 2^3213479 is an apocalyptic number.

3213479 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213479 is an equidigital number, since it uses as much as digits as its factorization.

3213479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 3213479 is about 1792.6179180182. The cubic root of 3213479 is about 147.5678745358.

The spelling of 3213479 in words is "three million, two hundred thirteen thousand, four hundred seventy-nine".