1996180 has 12 divisors (see below), whose sum is σ = 4192020. Its totient is φ = 798464.

The previous prime is 1996177. The next prime is 1996207. The reversal of 1996180 is 816991.

It can be written as a sum of positive squares in 2 ways, for example, as 512656 + 1483524 = 716^2 + 1218^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49885 + ... + 49924.

It is an arithmetic number, because the mean of its divisors is an integer number (349335).

2^1996180 is an apocalyptic number.

1996180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1996180 is an abundant number, since it is smaller than the sum of its proper divisors (2195840).

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

1996180 is a wasteful number, since it uses less digits than its factorization.

1996180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99818 (or 99816 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1996180 is about 1412.8623429054. The cubic root of 1996180 is about 125.9118388915.

The spelling of 1996180 in words is "one million, nine hundred ninety-six thousand, one hundred eighty".