3897401 has 2 divisors, whose sum is σ = 3897402. Its totient is φ = 3897400.

The previous prime is 3897389. The next prime is 3897407. The reversal of 3897401 is 1047983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 1207801 = 1640^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 3897401 - 2¹⁸ = 3635257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3897407) 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, 1948700 + 1948701.

It is an arithmetic number, because the mean of its divisors is an integer number (1948701).

Almost surely, 2^3897401 is an apocalyptic number.

It is an amenable number.

3897401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3897401 is an equidigital number, since it uses as much as digits as its factorization.

3897401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3897401 is about 1974.1836287438. The cubic root of 3897401 is about 157.3711182151.

The spelling of 3897401 in words is "three million, eight hundred ninety-seven thousand, four hundred one".