3948394201 has 2 divisors, whose sum is σ = 3948394202. Its totient is φ = 3948394200.

The previous prime is 3948394181. The next prime is 3948394207. The reversal of 3948394201 is 1024938493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3154507225 + 793886976 = 56165^2 + 28176^2 .

It is an emirp because it is prime and its reverse (1024938493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3948394201 - 2⁹ = 3948393689 is a prime.

It is not a weakly prime, because it can be changed into another prime (3948394207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974197100 + 1974197101.

It is an arithmetic number, because the mean of its divisors is an integer number (1974197101).

Almost surely, 2^3948394201 is an apocalyptic number.

It is an amenable number.

3948394201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3948394201 is an equidigital number, since it uses as much as digits as its factorization.

3948394201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 3948394201 is about 62836.2491003402. The cubic root of 3948394201 is about 1580.5448904430.

The spelling of 3948394201 in words is "three billion, nine hundred forty-eight million, three hundred ninety-four thousand, two hundred one".