6413860 has 12 divisors (see below), whose sum is σ = 13469148. Its totient is φ = 2565536.

The previous prime is 6413857. The next prime is 6413863. The reversal of 6413860 is 683146.

It is an interprime number because it is at equal distance from previous prime (6413857) and next prime (6413863).

It can be written as a sum of positive squares in 2 ways, for example, as 3873024 + 2540836 = 1968^2 + 1594^2 .

It is a super-2 number, since 2×6413860² = 82275200199200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6413863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 160327 + ... + 160366.

It is an arithmetic number, because the mean of its divisors is an integer number (1122429).

Almost surely, 2^6413860 is an apocalyptic number.

It is an amenable number.

6413860 is an abundant number, since it is smaller than the sum of its proper divisors (7055288).

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

6413860 is a wasteful number, since it uses less digits than its factorization.

6413860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320702 (or 320700 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 6413860 is about 2532.5599696750. The cubic root of 6413860 is about 185.7974825884.

It can be divided in two parts, 64 and 13860, that added together give a square (13924 = 118²).

The spelling of 6413860 in words is "six million, four hundred thirteen thousand, eight hundred sixty".