1968369 has 16 divisors (see below), whose sum is σ = 2897664. Its totient is φ = 1180800.

The previous prime is 1968361. The next prime is 1968383. The reversal of 1968369 is 9638691.

It is not a de Polignac number, because 1968369 - 2³ = 1968361 is a prime.

It is a super-2 number, since 2×1968369² = 7748953040322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1968369.

It is not an unprimeable number, because it can be changed into a prime (1968361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984 + ... + 2214.

It is an arithmetic number, because the mean of its divisors is an integer number (181104).

2^1968369 is an apocalyptic number.

It is an amenable number.

1968369 is a deficient number, since it is larger than the sum of its proper divisors (929295).

1968369 is a wasteful number, since it uses less digits than its factorization.

1968369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its digits is 69984, while the sum is 42.

The square root of 1968369 is about 1402.9857447601. The cubic root of 1968369 is about 125.3243629149.

The spelling of 1968369 in words is "one million, nine hundred sixty-eight thousand, three hundred sixty-nine".