1966875 has 20 divisors (see below), whose sum is σ = 3280200. Its totient is φ = 1048000.

The previous prime is 1966873. The next prime is 1966879. The reversal of 1966875 is 5786691.

It is not a de Polignac number, because 1966875 - 2¹ = 1966873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1966871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1351 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (164010).

2^1966875 is an apocalyptic number.

1966875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1966875 is the 750-th nonagonal number.

1966875 is a deficient number, since it is larger than the sum of its proper divisors (1313325).

1966875 is an equidigital number, since it uses as much as digits as its factorization.

1966875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1057 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 1966875 is about 1402.4532077756. The cubic root of 1966875 is about 125.2926476574.

The spelling of 1966875 in words is "one million, nine hundred sixty-six thousand, eight hundred seventy-five".