6489403 has 4 divisors (see below), whose sum is σ = 6527088. Its totient is φ = 6451720.

The previous prime is 6489401. The next prime is 6489409. The reversal of 6489403 is 3049846.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6489403 - 2¹ = 6489401 is a prime.

It is a super-2 number, since 2×6489403² = 84224702592818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6489401) 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, 18583 + ... + 18928.

It is an arithmetic number, because the mean of its divisors is an integer number (1631772).

Almost surely, 2^6489403 is an apocalyptic number.

6489403 is a deficient number, since it is larger than the sum of its proper divisors (37685).

6489403 is a wasteful number, since it uses less digits than its factorization.

6489403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37684.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6489403 is about 2547.4306663774. The cubic root of 6489403 is about 186.5240836486.

The spelling of 6489403 in words is "six million, four hundred eighty-nine thousand, four hundred three".