1980412 has 12 divisors (see below), whose sum is σ = 3960880. Its totient is φ = 848736.

The previous prime is 1980409. The next prime is 1980413. The reversal of 1980412 is 2140891.

It is a happy number.

1980412 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35337 + ... + 35392.

2^1980412 is an apocalyptic number.

It is an amenable number.

1980412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1980412 is a wasteful number, since it uses less digits than its factorization.

1980412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70740 (or 70738 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1980412 is about 1407.2711181574. The cubic root of 1980412 is about 125.5794325796.

The spelling of 1980412 in words is "one million, nine hundred eighty thousand, four hundred twelve".