6398180 has 24 divisors (see below), whose sum is σ = 13503672. Its totient is φ = 2546432.

The previous prime is 6398179. The next prime is 6398201. The reversal of 6398180 is 818936.

It can be written as a sum of positive squares in 4 ways, for example, as 1478656 + 4919524 = 1216^2 + 2218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6398180.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3974 + ... + 5346.

It is an arithmetic number, because the mean of its divisors is an integer number (562653).

Almost surely, 2^6398180 is an apocalyptic number.

It is an amenable number.

6398180 is an abundant number, since it is smaller than the sum of its proper divisors (7105492).

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

6398180 is a wasteful number, since it uses less digits than its factorization.

6398180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 6398180 is about 2529.4623934742. The cubic root of 6398180 is about 185.6459523183.

The spelling of 6398180 in words is "six million, three hundred ninety-eight thousand, one hundred eighty".