1968818 has 16 divisors (see below), whose sum is σ = 3136320. Its totient is φ = 924336.

The previous prime is 1968817. The next prime is 1968829. The reversal of 1968818 is 8188691.

It is not an unprimeable number, because it can be changed into a prime (1968817) 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, 7355 + ... + 7617.

It is an arithmetic number, because the mean of its divisors is an integer number (196020).

2^1968818 is an apocalyptic number.

1968818 is a deficient number, since it is larger than the sum of its proper divisors (1167502).

1968818 is a wasteful number, since it uses less digits than its factorization.

1968818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its digits is 27648, while the sum is 41.

The square root of 1968818 is about 1403.1457515169. The cubic root of 1968818 is about 125.3338913385. Note that the first 3 decimals are identical.

The spelling of 1968818 in words is "one million, nine hundred sixty-eight thousand, eight hundred eighteen".