6489946 has 8 divisors (see below), whose sum is σ = 9764820. Its totient is φ = 3235008.

The previous prime is 6489913. The next prime is 6489949. The reversal of 6489946 is 6499846.

It can be written as a sum of positive squares in 2 ways, for example, as 6175225 + 314721 = 2485^2 + 561^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6489896 and 6489905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489949) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4141 + ... + 5488.

Almost surely, 2^6489946 is an apocalyptic number.

6489946 is a deficient number, since it is larger than the sum of its proper divisors (3274874).

6489946 is a wasteful number, since it uses less digits than its factorization.

6489946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968.

The product of its digits is 373248, while the sum is 46.

The square root of 6489946 is about 2547.5372421223. The cubic root of 6489946 is about 186.5292859635.

The spelling of 6489946 in words is "six million, four hundred eighty-nine thousand, nine hundred forty-six".