1966130 has 8 divisors (see below), whose sum is σ = 3539052. Its totient is φ = 786448.

The previous prime is 1966127. The next prime is 1966163. The reversal of 1966130 is 316691.

It can be written as a sum of positive squares in 2 ways, for example, as 1692601 + 273529 = 1301^2 + 523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1966130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98297 + ... + 98316.

2^1966130 is an apocalyptic number.

1966130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1966130 is a deficient number, since it is larger than the sum of its proper divisors (1572922).

1966130 is a wasteful number, since it uses less digits than its factorization.

1966130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196620.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1966130 is about 1402.1875766102. The cubic root of 1966130 is about 125.2768264842.

It can be divided in two parts, 19661 and 30, that added together give a palindrome (19691).

The spelling of 1966130 in words is "one million, nine hundred sixty-six thousand, one hundred thirty".