8406001 has 2 divisors, whose sum is σ = 8406002. Its totient is φ = 8406000.

The previous prime is 8405977. The next prime is 8406043. The reversal of 8406001 is 1006048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 3996001 = 2100^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 8406001 - 2⁹ = 8405489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8406001.

It is not a weakly prime, because it can be changed into another prime (8406061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203000 + 4203001.

It is an arithmetic number, because the mean of its divisors is an integer number (4203001).

Almost surely, 2^8406001 is an apocalyptic number.

It is an amenable number.

8406001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8406001 is an equidigital number, since it uses as much as digits as its factorization.

8406001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8406001 is about 2899.3104352587. The cubic root of 8406001 is about 203.3276677331.

The spelling of 8406001 in words is "eight million, four hundred six thousand, one".