6449538 has 8 divisors (see below), whose sum is σ = 12899088. Its totient is φ = 2149844.

The previous prime is 6449537. The next prime is 6449617. The reversal of 6449538 is 8359446.

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

6449538 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6449496 and 6449505.

It is not an unprimeable number, because it can be changed into a prime (6449537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537456 + ... + 537467.

It is an arithmetic number, because the mean of its divisors is an integer number (1612386).

Almost surely, 2^6449538 is an apocalyptic number.

6449538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6449538 is a wasteful number, since it uses less digits than its factorization.

6449538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074928.

The product of its digits is 103680, while the sum is 39.

The square root of 6449538 is about 2539.5940620501. The cubic root of 6449538 is about 186.1413539890.

The spelling of 6449538 in words is "six million, four hundred forty-nine thousand, five hundred thirty-eight".