6485638 has 8 divisors (see below), whose sum is σ = 9745560. Its totient is φ = 3237120.

The previous prime is 6485629. The next prime is 6485657. The reversal of 6485638 is 8365846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6485638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (1218195).

Almost surely, 2^6485638 is an apocalyptic number.

6485638 is a deficient number, since it is larger than the sum of its proper divisors (3259922).

6485638 is a wasteful number, since it uses less digits than its factorization.

6485638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702.

The product of its digits is 138240, while the sum is 40.

The square root of 6485638 is about 2546.6915792848. The cubic root of 6485638 is about 186.4880043652.

The spelling of 6485638 in words is "six million, four hundred eighty-five thousand, six hundred thirty-eight".