1996456 has 48 divisors (see below), whose sum is σ = 4760640. Its totient is φ = 776160.

The previous prime is 1996453. The next prime is 1996459. The reversal of 1996456 is 6546991.

It is an interprime number because it is at equal distance from previous prime (1996453) and next prime (1996459).

It is not an unprimeable number, because it can be changed into a prime (1996453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4081 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (99180).

2^1996456 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 1996456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2380320).

1996456 is an abundant number, since it is smaller than the sum of its proper divisors (2764184).

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

1996456 is a wasteful number, since it uses less digits than its factorization.

1996456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 483 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 1996456 is about 1412.9600135885. The cubic root of 1996456 is about 125.9176416525.

The spelling of 1996456 in words is "one million, nine hundred ninety-six thousand, four hundred fifty-six".