1980512 has 24 divisors (see below), whose sum is σ = 3969000. Its totient is φ = 972544.

The previous prime is 1980491. The next prime is 1980521. The reversal of 1980512 is 2150891.

It is a happy number.

It is a zygodrome in base 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, 1364 + ... + 2412.

It is an arithmetic number, because the mean of its divisors is an integer number (165375).

2^1980512 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 1980512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984500).

1980512 is an abundant number, since it is smaller than the sum of its proper divisors (1988488).

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

1980512 is a wasteful number, since it uses less digits than its factorization.

1980512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1980512 is about 1407.3066474653. The cubic root of 1980512 is about 125.5815462360.

The spelling of 1980512 in words is "one million, nine hundred eighty thousand, five hundred twelve".