4085401 has 2 divisors, whose sum is σ = 4085402. Its totient is φ = 4085400.

The previous prime is 4085383. The next prime is 4085407. The reversal of 4085401 is 1045804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3154176 + 931225 = 1776^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 4085401 - 2⁵ = 4085369 is a prime.

It is not a weakly prime, because it can be changed into another prime (4085407) 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, 2042700 + 2042701.

It is an arithmetic number, because the mean of its divisors is an integer number (2042701).

Almost surely, 2^4085401 is an apocalyptic number.

It is an amenable number.

4085401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4085401 is an equidigital number, since it uses as much as digits as its factorization.

4085401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4085401 is about 2021.2374922309. The cubic root of 4085401 is about 159.8618729776.

The spelling of 4085401 in words is "four million, eighty-five thousand, four hundred one".