1878066 has 20 divisors (see below), whose sum is σ = 4208622. Its totient is φ = 625968.

The previous prime is 1878061. The next prime is 1878089. The reversal of 1878066 is 6608781.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 731025 = 1071^2 + 855^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1878066.

It is not an unprimeable number, because it can be changed into a prime (1878061) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5635 + ... + 5958.

2^1878066 is an apocalyptic number.

1878066 is an abundant number, since it is smaller than the sum of its proper divisors (2330556).

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

1878066 is a wasteful number, since it uses less digits than its factorization.

1878066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11607 (or 11598 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1878066 is about 1370.4254813743. The cubic root of 1878066 is about 123.3777796142.

The spelling of 1878066 in words is "one million, eight hundred seventy-eight thousand, sixty-six".