1968785 has 16 divisors (see below), whose sum is σ = 2908416. Its totient is φ = 1245888.

The previous prime is 1968773. The next prime is 1968797. The reversal of 1968785 is 5878691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1968773) and next prime (1968797).

It is not a de Polignac number, because 1968785 - 2⁶ = 1968721 is a prime.

It is a super-2 number, since 2×1968785² = 7752228752450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1709 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (181776).

2^1968785 is an apocalyptic number.

It is an amenable number.

1968785 is a deficient number, since it is larger than the sum of its proper divisors (939631).

1968785 is a wasteful number, since it uses less digits than its factorization.

1968785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352.

The product of its digits is 120960, while the sum is 44.

The square root of 1968785 is about 1403.1339921761. The cubic root of 1968785 is about 125.3331910805. Note that the first 3 decimals are identical.

The spelling of 1968785 in words is "one million, nine hundred sixty-eight thousand, seven hundred eighty-five".