6479287 has 4 divisors (see below), whose sum is σ = 6538840. Its totient is φ = 6419736.

The previous prime is 6479269. The next prime is 6479299. The reversal of 6479287 is 7829746.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7829746 = 2 ⋅3914873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6479287 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 4² + 7⁷ + 9⁷ + 2¹¹ + 8³ + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29613 + ... + 29830.

It is an arithmetic number, because the mean of its divisors is an integer number (1634710).

Almost surely, 2^6479287 is an apocalyptic number.

6479287 is a deficient number, since it is larger than the sum of its proper divisors (59553).

6479287 is a wasteful number, since it uses less digits than its factorization.

6479287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59552.

The product of its digits is 169344, while the sum is 43.

The square root of 6479287 is about 2545.4443619926. Note that the first 3 decimals coincide. The cubic root of 6479287 is about 186.4271122769.

The spelling of 6479287 in words is "six million, four hundred seventy-nine thousand, two hundred eighty-seven".