3867401 has 2 divisors, whose sum is σ = 3867402. Its totient is φ = 3867400.

The previous prime is 3867389. The next prime is 3867421. The reversal of 3867401 is 1047683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 1893376 = 1405^2 + 1376^2 .

It is a cyclic number.

It is not a de Polignac number, because 3867401 - 2⁶ = 3867337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3867421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933700 + 1933701.

It is an arithmetic number, because the mean of its divisors is an integer number (1933701).

Almost surely, 2^3867401 is an apocalyptic number.

It is an amenable number.

3867401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3867401 is an equidigital number, since it uses as much as digits as its factorization.

3867401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3867401 is about 1966.5708733732. The cubic root of 3867401 is about 156.9662929518.

The spelling of 3867401 in words is "three million, eight hundred sixty-seven thousand, four hundred one".