1980572 has 12 divisors (see below), whose sum is σ = 3781176. Its totient is φ = 900240.

The previous prime is 1980529. The next prime is 1980577. The reversal of 1980572 is 2750891.

1980572 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22463 + ... + 22550.

It is an arithmetic number, because the mean of its divisors is an integer number (315098).

2^1980572 is an apocalyptic number.

It is an amenable number.

1980572 is a deficient number, since it is larger than the sum of its proper divisors (1800604).

1980572 is a wasteful number, since it uses less digits than its factorization.

1980572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45028 (or 45026 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1980572 is about 1407.3279646195. The cubic root of 1980572 is about 125.5828143958.

It can be divided in two parts, 1980 and 572, that added together give a palindrome (2552).

The spelling of 1980572 in words is "one million, nine hundred eighty thousand, five hundred seventy-two".