6489931 has 8 divisors (see below), whose sum is σ = 7598304. Its totient is φ = 5426880.

The previous prime is 6489913. The next prime is 6489949. The reversal of 6489931 is 1399846.

It is an interprime number because it is at equal distance from previous prime (6489913) and next prime (6489949).

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

It is a cyclic number.

It is not a de Polignac number, because 6489931 - 2⁷ = 6489803 is a prime.

It is a super-2 number, since 2×6489931² = 84238408769522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6489991) 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 7 ways as a sum of consecutive naturals, for example, 11020 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (949788).

Almost surely, 2^6489931 is an apocalyptic number.

6489931 is a deficient number, since it is larger than the sum of its proper divisors (1108373).

6489931 is a wasteful number, since it uses less digits than its factorization.

6489931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22661.

The product of its digits is 46656, while the sum is 40.

The square root of 6489931 is about 2547.5342981008. The cubic root of 6489931 is about 186.5291422570.

The spelling of 6489931 in words is "six million, four hundred eighty-nine thousand, nine hundred thirty-one".