3145679 has 2 divisors, whose sum is σ = 3145680. Its totient is φ = 3145678.

The previous prime is 3145673. The next prime is 3145711. The reversal of 3145679 is 9765413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3145679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572839 + 1572840.

It is an arithmetic number, because the mean of its divisors is an integer number (1572840).

Almost surely, 2^3145679 is an apocalyptic number.

3145679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145679 is an equidigital number, since it uses as much as digits as its factorization.

3145679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 3145679 is about 1773.6062133405. The cubic root of 3145679 is about 146.5226622600.

The spelling of 3145679 in words is "three million, one hundred forty-five thousand, six hundred seventy-nine".