1968769 has 8 divisors (see below), whose sum is σ = 2172960. Its totient is φ = 1768800.

The previous prime is 1968767. The next prime is 1968773. The reversal of 1968769 is 9678691.

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

It is not a de Polignac number, because 1968769 - 2¹ = 1968767 is a prime.

It is a super-2 number, since 2×1968769² = 7752102750722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1968767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27 + ... + 1984.

It is an arithmetic number, because the mean of its divisors is an integer number (271620).

2^1968769 is an apocalyptic number.

It is an amenable number.

1968769 is a deficient number, since it is larger than the sum of its proper divisors (204191).

1968769 is a wasteful number, since it uses less digits than its factorization.

1968769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111.

The product of its digits is 163296, while the sum is 46.

The square root of 1968769 is about 1403.1282906420. The cubic root of 1968769 is about 125.3328515587.

The spelling of 1968769 in words is "one million, nine hundred sixty-eight thousand, seven hundred sixty-nine".