1968236 has 6 divisors (see below), whose sum is σ = 3444420. Its totient is φ = 984116.

The previous prime is 1968233. The next prime is 1968251. The reversal of 1968236 is 6328691.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1968196 and 1968205.

It is not an unprimeable number, because it can be changed into a prime (1968233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246026 + ... + 246033.

It is an arithmetic number, because the mean of its divisors is an integer number (574070).

2^1968236 is an apocalyptic number.

It is an amenable number.

1968236 is a deficient number, since it is larger than the sum of its proper divisors (1476184).

1968236 is a wasteful number, since it uses less digits than its factorization.

1968236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492063 (or 492061 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 1968236 is about 1402.9383450459. The cubic root of 1968236 is about 125.3215401861.

The spelling of 1968236 in words is "one million, nine hundred sixty-eight thousand, two hundred thirty-six".