6460985 has 8 divisors (see below), whose sum is σ = 7942536. Its totient is φ = 5042560.

The previous prime is 6460967. The next prime is 6461017. The reversal of 6460985 is 5890646.

It can be written as a sum of positive squares in 4 ways, for example, as 190969 + 6270016 = 437^2 + 2504^2 .

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

It is not a de Polignac number, because 6460985 - 2¹⁴ = 6444601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 15554 + ... + 15963.

It is an arithmetic number, because the mean of its divisors is an integer number (992817).

Almost surely, 2^6460985 is an apocalyptic number.

It is an amenable number.

6460985 is a deficient number, since it is larger than the sum of its proper divisors (1481551).

6460985 is a wasteful number, since it uses less digits than its factorization.

6460985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31563.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6460985 is about 2541.8467695752. The cubic root of 6460985 is about 186.2514135893.

The spelling of 6460985 in words is "six million, four hundred sixty thousand, nine hundred eighty-five".