1968874 has 4 divisors (see below), whose sum is σ = 2953314. Its totient is φ = 984436.

The previous prime is 1968871. The next prime is 1968899. The reversal of 1968874 is 4788691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4788691 = 67 ⋅71473.

It can be written as a sum of positive squares in only one way, i.e., 1671849 + 297025 = 1293^2 + 545^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1968874.

It is not an unprimeable number, because it can be changed into a prime (1968871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492217 + ... + 492220.

2^1968874 is an apocalyptic number.

1968874 is a deficient number, since it is larger than the sum of its proper divisors (984440).

1968874 is an equidigital number, since it uses as much as digits as its factorization.

1968874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984439.

The product of its digits is 96768, while the sum is 43.

The square root of 1968874 is about 1403.1657065365. The cubic root of 1968874 is about 125.3350796372.

The spelling of 1968874 in words is "one million, nine hundred sixty-eight thousand, eight hundred seventy-four".