1968418 has 8 divisors (see below), whose sum is σ = 2960748. Its totient is φ = 981504.

The previous prime is 1968403. The next prime is 1968427. The reversal of 1968418 is 8148691.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 9 = 1403^2 + 3^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271 + ... + 2002.

2^1968418 is an apocalyptic number.

1968418 is a deficient number, since it is larger than the sum of its proper divisors (992330).

1968418 is a wasteful number, since it uses less digits than its factorization.

1968418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708.

The product of its digits is 13824, while the sum is 37.

The square root of 1968418 is about 1403.0032074090. The cubic root of 1968418 is about 125.3254028356.

The spelling of 1968418 in words is "one million, nine hundred sixty-eight thousand, four hundred eighteen".