1880980 has 12 divisors (see below), whose sum is σ = 3950100. Its totient is φ = 752384.

The previous prime is 1880971. The next prime is 1880993. The reversal of 1880980 is 890881.

It can be written as a sum of positive squares in 2 ways, for example, as 1336336 + 544644 = 1156^2 + 738^2 .

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, 47005 + ... + 47044.

It is an arithmetic number, because the mean of its divisors is an integer number (329175).

2^1880980 is an apocalyptic number.

1880980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1880980 is an abundant number, since it is smaller than the sum of its proper divisors (2069120).

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

1880980 is a wasteful number, since it uses less digits than its factorization.

1880980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94058 (or 94056 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1880980 is about 1371.4882427495. The cubic root of 1880980 is about 123.4415574696.

Subtracting from 1880980 its reverse (890881), we obtain a palindrome (990099).

The spelling of 1880980 in words is "one million, eight hundred eighty thousand, nine hundred eighty".