3948653 has 2 divisors, whose sum is σ = 3948654. Its totient is φ = 3948652.

The previous prime is 3948619. The next prime is 3948667. The reversal of 3948653 is 3568493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3948169 + 484 = 1987^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 3948653 - 2⁶ = 3948589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3948613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974326 + 1974327.

It is an arithmetic number, because the mean of its divisors is an integer number (1974327).

Almost surely, 2^3948653 is an apocalyptic number.

It is an amenable number.

3948653 is a deficient number, since it is larger than the sum of its proper divisors (1).

3948653 is an equidigital number, since it uses as much as digits as its factorization.

3948653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 3948653 is about 1987.1217879134. The cubic root of 3948653 is about 158.0579422161.

The spelling of 3948653 in words is "three million, nine hundred forty-eight thousand, six hundred fifty-three".