6408036 has 18 divisors (see below), whose sum is σ = 16198182. Its totient is φ = 2136000.

The previous prime is 6408029. The next prime is 6408047. The reversal of 6408036 is 6308046.

It can be written as a sum of positive squares in only one way, i.e., 6200100 + 207936 = 2490^2 + 456^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88965 + ... + 89036.

It is an arithmetic number, because the mean of its divisors is an integer number (899899).

Almost surely, 2^6408036 is an apocalyptic number.

It is an amenable number.

6408036 is an abundant number, since it is smaller than the sum of its proper divisors (9790146).

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

6408036 is a wasteful number, since it uses less digits than its factorization.

6408036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178011 (or 178006 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6408036 is about 2531.4098838394. The cubic root of 6408036 is about 185.7412287762.

The spelling of 6408036 in words is "six million, four hundred eight thousand, thirty-six".