1996280 has 64 divisors (see below), whose sum is σ = 5292000. Its totient is φ = 668160.

The previous prime is 1996279. The next prime is 1996283. The reversal of 1996280 is 826991.

1996280 is nontrivially palindromic in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 1996280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5546 + ... + 5894.

2^1996280 is an apocalyptic number.

1996280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2646000).

1996280 is an abundant number, since it is smaller than the sum of its proper divisors (3295720).

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

1996280 is a wasteful number, since it uses less digits than its factorization.

1996280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1996280 is about 1412.8977316140. The cubic root of 1996280 is about 125.9139414029.

The spelling of 1996280 in words is "one million, nine hundred ninety-six thousand, two hundred eighty".