6486438 has 16 divisors (see below), whose sum is σ = 14826240. Its totient is φ = 1853256.

The previous prime is 6486427. The next prime is 6486439. The reversal of 6486438 is 8346846.

It is a junction number, because it is equal to n+sod(n) for n = 6486396 and 6486405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486439) 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 7 ways as a sum of consecutive naturals, for example, 77178 + ... + 77261.

It is an arithmetic number, because the mean of its divisors is an integer number (926640).

Almost surely, 2^6486438 is an apocalyptic number.

6486438 is an abundant number, since it is smaller than the sum of its proper divisors (8339802).

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

6486438 is a wasteful number, since it uses less digits than its factorization.

6486438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154451.

The product of its digits is 110592, while the sum is 39.

The square root of 6486438 is about 2546.8486409679. The cubic root of 6486438 is about 186.4956717820.

The spelling of 6486438 in words is "six million, four hundred eighty-six thousand, four hundred thirty-eight".