1968806 has 8 divisors (see below), whose sum is σ = 3375120. Its totient is φ = 843768.

The previous prime is 1968803. The next prime is 1968817. The reversal of 1968806 is 6088691.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1968806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70301 + ... + 70328.

It is an arithmetic number, because the mean of its divisors is an integer number (421890).

2^1968806 is an apocalyptic number.

1968806 is a deficient number, since it is larger than the sum of its proper divisors (1406314).

1968806 is a wasteful number, since it uses less digits than its factorization.

1968806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140638.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1968806 is about 1403.1414754044. The cubic root of 1968806 is about 125.3336367001. Note that the first 3 decimals are identical.

Subtracting 1968806 from its reverse (6088691), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 1968806 in words is "one million, nine hundred sixty-eight thousand, eight hundred six".