1980536 has 16 divisors (see below), whose sum is σ = 3814440. Its totient is φ = 963360.

The previous prime is 1980529. The next prime is 1980577. The reversal of 1980536 is 6350891.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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, 3050 + ... + 3641.

2^1980536 is an apocalyptic number.

It is an amenable number.

1980536 is a deficient number, since it is larger than the sum of its proper divisors (1833904).

1980536 is a wasteful number, since it uses less digits than its factorization.

1980536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734 (or 6730 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1980536 is about 1407.3151743657. The cubic root of 1980536 is about 125.5820535030.

The spelling of 1980536 in words is "one million, nine hundred eighty thousand, five hundred thirty-six".