6446801 has 2 divisors, whose sum is σ = 6446802. Its totient is φ = 6446800.

The previous prime is 6446789. The next prime is 6446851. The reversal of 6446801 is 1086446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4946176 + 1500625 = 2224^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 6446801 - 2¹⁸ = 6184657 is a prime.

It is a super-2 number, since 2×6446801² = 83122486267202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6446851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3223400 + 3223401.

It is an arithmetic number, because the mean of its divisors is an integer number (3223401).

Almost surely, 2^6446801 is an apocalyptic number.

6446801 is the 1136-th centered decagonal number.

It is an amenable number.

6446801 is a deficient number, since it is larger than the sum of its proper divisors (1).

6446801 is an equidigital number, since it uses as much as digits as its factorization.

6446801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 6446801 is about 2539.0551392201. The cubic root of 6446801 is about 186.1150192359.

The spelling of 6446801 in words is "six million, four hundred forty-six thousand, eight hundred one".