6406851 has 16 divisors (see below), whose sum is σ = 9388800. Its totient is φ = 3853920.

The previous prime is 6406849. The next prime is 6406861. The reversal of 6406851 is 1586046.

It is not a de Polignac number, because 6406851 - 2¹ = 6406849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6406831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4266 + ... + 5568.

It is an arithmetic number, because the mean of its divisors is an integer number (586800).

Almost surely, 2^6406851 is an apocalyptic number.

6406851 is a deficient number, since it is larger than the sum of its proper divisors (2981949).

6406851 is a wasteful number, since it uses less digits than its factorization.

6406851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 6406851 is about 2531.1758137277. The cubic root of 6406851 is about 185.7297787300.

The spelling of 6406851 in words is "six million, four hundred six thousand, eight hundred fifty-one".