6470989 has 12 divisors (see below), whose sum is σ = 7713468. Its totient is φ = 5409600.

The previous prime is 6470987. The next prime is 6471013. The reversal of 6470989 is 9890746.

It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 4120900 = 1533^2 + 2030^2 .

It is not a de Polignac number, because 6470989 - 2¹ = 6470987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6470983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399 + ... + 3619.

It is an arithmetic number, because the mean of its divisors is an integer number (642789).

Almost surely, 2^6470989 is an apocalyptic number.

It is an amenable number.

6470989 is a deficient number, since it is larger than the sum of its proper divisors (1242479).

6470989 is a wasteful number, since it uses less digits than its factorization.

6470989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 6470989 is about 2543.8138689771. The cubic root of 6470989 is about 186.3474927627.

The spelling of 6470989 in words is "six million, four hundred seventy thousand, nine hundred eighty-nine".