3140447 has 2 divisors, whose sum is σ = 3140448. Its totient is φ = 3140446.

The previous prime is 3140441. The next prime is 3140507. The reversal of 3140447 is 7440413.

It is a weak prime.

It is an emirp because it is prime and its reverse (7440413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3140447 - 2¹² = 3136351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3140441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570223 + 1570224.

It is an arithmetic number, because the mean of its divisors is an integer number (1570224).

Almost surely, 2^3140447 is an apocalyptic number.

3140447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3140447 is an equidigital number, since it uses as much as digits as its factorization.

3140447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 3140447 is about 1772.1306385253. The cubic root of 3140447 is about 146.4413833610.

The spelling of 3140447 in words is "three million, one hundred forty thousand, four hundred forty-seven".