8378180 has 12 divisors (see below), whose sum is σ = 17594220. Its totient is φ = 3351264.

The previous prime is 8378179. The next prime is 8378203. The reversal of 8378180 is 818738.

It can be written as a sum of positive squares in 2 ways, for example, as 3564544 + 4813636 = 1888^2 + 2194^2 .

It is a super-2 number, since 2×8378180² = 140387800224800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8378180.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209435 + ... + 209474.

It is an arithmetic number, because the mean of its divisors is an integer number (1466185).

Almost surely, 2^8378180 is an apocalyptic number.

It is an amenable number.

8378180 is an abundant number, since it is smaller than the sum of its proper divisors (9216040).

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

8378180 is a wasteful number, since it uses less digits than its factorization.

8378180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418918 (or 418916 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 8378180 is about 2894.5085938722. The cubic root of 8378180 is about 203.1031047011.

It can be divided in two parts, 8378 and 180, that added together give a palindrome (8558).

The spelling of 8378180 in words is "eight million, three hundred seventy-eight thousand, one hundred eighty".