6476840 has 16 divisors (see below), whose sum is σ = 14572980. Its totient is φ = 2590720.

The previous prime is 6476839. The next prime is 6476849. The reversal of 6476840 is 486746.

It can be written as a sum of positive squares in 2 ways, for example, as 5262436 + 1214404 = 2294^2 + 1102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6476840.

It is not an unprimeable number, because it can be changed into a prime (6476849) 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, 80921 + ... + 81000.

Almost surely, 2^6476840 is an apocalyptic number.

It is an amenable number.

6476840 is an abundant number, since it is smaller than the sum of its proper divisors (8096140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6476840 is a wasteful number, since it uses less digits than its factorization.

6476840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161932 (or 161928 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 6476840 is about 2544.9636539644. The cubic root of 6476840 is about 186.4036403226.

The spelling of 6476840 in words is "six million, four hundred seventy-six thousand, eight hundred forty".