3291679 has 2 divisors, whose sum is σ = 3291680. Its totient is φ = 3291678.

The previous prime is 3291667. The next prime is 3291683. The reversal of 3291679 is 9761923.

It is a strong prime.

It is an emirp because it is prime and its reverse (9761923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3291679 - 2⁵ = 3291647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3291689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645839 + 1645840.

It is an arithmetic number, because the mean of its divisors is an integer number (1645840).

Almost surely, 2^3291679 is an apocalyptic number.

3291679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3291679 is an equidigital number, since it uses as much as digits as its factorization.

3291679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 3291679 is about 1814.2984870192. The cubic root of 3291679 is about 148.7553151127.

The spelling of 3291679 in words is "three million, two hundred ninety-one thousand, six hundred seventy-nine".