6485138 has 32 divisors (see below), whose sum is σ = 11294208. Its totient is φ = 2764800.

The previous prime is 6485123. The next prime is 6485147. The reversal of 6485138 is 8315846.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6485098 and 6485107.

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 15 ways as a sum of consecutive naturals, for example, 25106 + ... + 25362.

It is an arithmetic number, because the mean of its divisors is an integer number (352944).

Almost surely, 2^6485138 is an apocalyptic number.

6485138 is a deficient number, since it is larger than the sum of its proper divisors (4809070).

6485138 is a wasteful number, since it uses less digits than its factorization.

6485138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its digits is 23040, while the sum is 35.

The square root of 6485138 is about 2546.5934108137. The cubic root of 6485138 is about 186.4832119095.

The spelling of 6485138 in words is "six million, four hundred eighty-five thousand, one hundred thirty-eight".