3898771 has 2 divisors, whose sum is σ = 3898772. Its totient is φ = 3898770.

The previous prime is 3898757. The next prime is 3898841. The reversal of 3898771 is 1778983.

It is a weak prime.

It is an emirp because it is prime and its reverse (1778983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3898771 - 2²¹ = 1801619 is a prime.

It is not a weakly prime, because it can be changed into another prime (3898751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949385 + 1949386.

It is an arithmetic number, because the mean of its divisors is an integer number (1949386).

Almost surely, 2^3898771 is an apocalyptic number.

3898771 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898771 is an equidigital number, since it uses as much as digits as its factorization.

3898771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 43.

The square root of 3898771 is about 1974.5305771246. The cubic root of 3898771 is about 157.3895555596.

The spelling of 3898771 in words is "three million, eight hundred ninety-eight thousand, seven hundred seventy-one".