6436842 has 32 divisors (see below), whose sum is σ = 13421760. Its totient is φ = 2056320.

The previous prime is 6436817. The next prime is 6436847. The reversal of 6436842 is 2486346.

It is not an unprimeable number, because it can be changed into a prime (6436847) 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 in 15 ways as a sum of consecutive naturals, for example, 15534 + ... + 15942.

It is an arithmetic number, because the mean of its divisors is an integer number (419430).

Almost surely, 2^6436842 is an apocalyptic number.

6436842 is an abundant number, since it is smaller than the sum of its proper divisors (6984918).

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

6436842 is a wasteful number, since it uses less digits than its factorization.

6436842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its digits is 27648, while the sum is 33.

The square root of 6436842 is about 2537.0932186264. The cubic root of 6436842 is about 186.0191331919.

The spelling of 6436842 in words is "six million, four hundred thirty-six thousand, eight hundred forty-two".