1996568 has 32 divisors (see below), whose sum is σ = 4332960. Its totient is φ = 844800.

The previous prime is 1996559. The next prime is 1996573. The reversal of 1996568 is 8656991.

It is a Cunningham number, because it is equal to 1413²-1.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5480 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (135405).

2^1996568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166480).

1996568 is an abundant number, since it is smaller than the sum of its proper divisors (2336392).

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

1996568 is a wasteful number, since it uses less digits than its factorization.

1996568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 463 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 1996568 is about 1412.9996461429. Note that the first 3 decimals coincide. The cubic root of 1996568 is about 125.9199962435.

The spelling of 1996568 in words is "one million, nine hundred ninety-six thousand, five hundred sixty-eight".