1968747 has 8 divisors (see below), whose sum is σ = 2863680. Its totient is φ = 1193160.

The previous prime is 1968739. The next prime is 1968749. The reversal of 1968747 is 7478691.

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

It is not a de Polignac number, because 1968747 - 2³ = 1968739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1968699 and 1968708.

It is not an unprimeable number, because it can be changed into a prime (1968749) 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 in 7 ways as a sum of consecutive naturals, for example, 29797 + ... + 29862.

It is an arithmetic number, because the mean of its divisors is an integer number (357960).

2^1968747 is an apocalyptic number.

1968747 is a deficient number, since it is larger than the sum of its proper divisors (894933).

1968747 is a wasteful number, since it uses less digits than its factorization.

1968747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59673.

The product of its digits is 84672, while the sum is 42.

The square root of 1968747 is about 1403.1204509949. The cubic root of 1968747 is about 125.3323847132.

The spelling of 1968747 in words is "one million, nine hundred sixty-eight thousand, seven hundred forty-seven".