6487479 has 16 divisors (see below), whose sum is σ = 9660640. Its totient is φ = 4302720.

The previous prime is 6487441. The next prime is 6487487. The reversal of 6487479 is 9747846.

It is not a de Polignac number, because 6487479 - 2⁸ = 6487223 is a prime.

It is an Ulam number.

It is a Duffinian number.

6487479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6487079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6009 + ... + 7005.

It is an arithmetic number, because the mean of its divisors is an integer number (603790).

Almost surely, 2^6487479 is an apocalyptic number.

6487479 is a deficient number, since it is larger than the sum of its proper divisors (3173161).

6487479 is a wasteful number, since it uses less digits than its factorization.

6487479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1241 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6487479 is about 2547.0530029821. The cubic root of 6487479 is about 186.5056480643.

The spelling of 6487479 in words is "six million, four hundred eighty-seven thousand, four hundred seventy-nine".