3487147 has 2 divisors, whose sum is σ = 3487148. Its totient is φ = 3487146.

The previous prime is 3487129. The next prime is 3487151. The reversal of 3487147 is 7417843.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3487147 is a prime.

It is not a weakly prime, because it can be changed into another prime (3487157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743573 + 1743574.

It is an arithmetic number, because the mean of its divisors is an integer number (1743574).

Almost surely, 2^3487147 is an apocalyptic number.

3487147 is a deficient number, since it is larger than the sum of its proper divisors (1).

3487147 is an equidigital number, since it uses as much as digits as its factorization.

3487147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 3487147 is about 1867.3904251656. The cubic root of 3487147 is about 151.6433669208.

The spelling of 3487147 in words is "three million, four hundred eighty-seven thousand, one hundred forty-seven".