1968219 has 30 divisors (see below), whose sum is σ = 3277164. Its totient is φ = 1167480.

The previous prime is 1968203. The next prime is 1968233. The reversal of 1968219 is 9128691.

It is not a de Polignac number, because 1968219 - 2⁴ = 1968203 is a prime.

It is a super-2 number, since 2×1968219² = 7747772063922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

1968219 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1968269) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 41854 + ... + 41900.

2^1968219 is an apocalyptic number.

1968219 is a deficient number, since it is larger than the sum of its proper divisors (1308945).

1968219 is an equidigital number, since it uses as much as digits as its factorization.

1968219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 61 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 1968219 is about 1402.9322863203. The cubic root of 1968219 is about 125.3211793770.

It can be divided in two parts, 19682 and 19, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 1968219 in words is "one million, nine hundred sixty-eight thousand, two hundred nineteen".