1968798 has 32 divisors (see below), whose sum is σ = 4346496. Its totient is φ = 590688.

The previous prime is 1968797. The next prime is 1968803. The reversal of 1968798 is 8978691.

It is a happy number.

Its product of digits (217728) is a multiple of the sum of its prime divisors (648).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3061 + ... + 3647.

It is an arithmetic number, because the mean of its divisors is an integer number (135828).

2^1968798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1968798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173248).

1968798 is an abundant number, since it is smaller than the sum of its proper divisors (2377698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968798 is a wasteful number, since it uses less digits than its factorization.

1968798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its digits is 217728, while the sum is 48.

The square root of 1968798 is about 1403.1386246555. The cubic root of 1968798 is about 125.3334669407. Note that the first 3 decimals are identical.

The spelling of 1968798 in words is "one million, nine hundred sixty-eight thousand, seven hundred ninety-eight".