1980884 has 6 divisors (see below), whose sum is σ = 3466554. Its totient is φ = 990440.

The previous prime is 1980877. The next prime is 1980899. The reversal of 1980884 is 4880891.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 770884 = 1100^2 + 878^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247607 + ... + 247614.

It is an arithmetic number, because the mean of its divisors is an integer number (577759).

2^1980884 is an apocalyptic number.

It is an amenable number.

1980884 is a deficient number, since it is larger than the sum of its proper divisors (1485670).

1980884 is a wasteful number, since it uses less digits than its factorization.

1980884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495225 (or 495223 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1980884 is about 1407.4388086166. The cubic root of 1980884 is about 125.5894084135.

The spelling of 1980884 in words is "one million, nine hundred eighty thousand, eight hundred eighty-four".