3898913 has 2 divisors, whose sum is σ = 3898914. Its totient is φ = 3898912.

The previous prime is 3898907. The next prime is 3898919. The reversal of 3898913 is 3198983.

It is a balanced prime because it is at equal distance from previous prime (3898907) and next prime (3898919).

It can be written as a sum of positive squares in only one way, i.e., 3598609 + 300304 = 1897^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 3898913 - 2¹⁰ = 3897889 is a prime.

It is an Ulam number.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (3898919) 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, 1949456 + 1949457.

It is an arithmetic number, because the mean of its divisors is an integer number (1949457).

Almost surely, 2^3898913 is an apocalyptic number.

It is an amenable number.

3898913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898913 is an equidigital number, since it uses as much as digits as its factorization.

3898913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 3898913 is about 1974.5665347108. The cubic root of 3898913 is about 157.3914663366.

The spelling of 3898913 in words is "three million, eight hundred ninety-eight thousand, nine hundred thirteen".