1968297 has 8 divisors (see below), whose sum is σ = 2630880. Its totient is φ = 1308960.

The previous prime is 1968293. The next prime is 1968301. The reversal of 1968297 is 7928691.

It is an interprime number because it is at equal distance from previous prime (1968293) and next prime (1968301).

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

It is not a de Polignac number, because 1968297 - 2² = 1968293 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1968293) 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, 2022 + ... + 2832.

It is an arithmetic number, because the mean of its divisors is an integer number (328860).

2^1968297 is an apocalyptic number.

It is an amenable number.

1968297 is a deficient number, since it is larger than the sum of its proper divisors (662583).

1968297 is an equidigital number, since it uses as much as digits as its factorization.

1968297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623.

The product of its digits is 54432, while the sum is 42.

The square root of 1968297 is about 1402.9600849632. The cubic root of 1968297 is about 125.3228348369.

The spelling of 1968297 in words is "one million, nine hundred sixty-eight thousand, two hundred ninety-seven".