3897347 has 2 divisors, whose sum is σ = 3897348. Its totient is φ = 3897346.

The previous prime is 3897331. The next prime is 3897353. The reversal of 3897347 is 7437983.

3897347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3897347 - 2⁴ = 3897331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3890347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1948673 + 1948674.

It is an arithmetic number, because the mean of its divisors is an integer number (1948674).

Almost surely, 2^3897347 is an apocalyptic number.

3897347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3897347 is an equidigital number, since it uses as much as digits as its factorization.

3897347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 3897347 is about 1974.1699521571. The cubic root of 3897347 is about 157.3703913992.

The spelling of 3897347 in words is "three million, eight hundred ninety-seven thousand, three hundred forty-seven".