6404286 has 32 divisors (see below), whose sum is σ = 14757120. Its totient is φ = 1814976.

The previous prime is 6404269. The next prime is 6404297. The reversal of 6404286 is 6824046.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5290 + ... + 6386.

It is an arithmetic number, because the mean of its divisors is an integer number (461160).

Almost surely, 2^6404286 is an apocalyptic number.

6404286 is an abundant number, since it is smaller than the sum of its proper divisors (8352834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6404286 is a wasteful number, since it uses less digits than its factorization.

6404286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 6404286 is about 2530.6690814881. The cubic root of 6404286 is about 185.7049896164.

The spelling of 6404286 in words is "six million, four hundred four thousand, two hundred eighty-six".