1968894 has 48 divisors (see below), whose sum is σ = 4663440. Its totient is φ = 615600.

The previous prime is 1968871. The next prime is 1968899. The reversal of 1968894 is 4988691.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19444 + ... + 19544.

It is an arithmetic number, because the mean of its divisors is an integer number (97155).

2^1968894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1968894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2331720).

1968894 is an abundant number, since it is smaller than the sum of its proper divisors (2694546).

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

1968894 is a wasteful number, since it uses less digits than its factorization.

1968894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 125 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1968894 is about 1403.1728332604. The cubic root of 1968894 is about 125.3355040241.

The spelling of 1968894 in words is "one million, nine hundred sixty-eight thousand, eight hundred ninety-four".