1985080 has 16 divisors (see below), whose sum is σ = 4466520. Its totient is φ = 794016.

The previous prime is 1985077. The next prime is 1985167. The reversal of 1985080 is 805891.

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, 24774 + ... + 24853.

2^1985080 is an apocalyptic number.

1985080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1985080 is an abundant number, since it is smaller than the sum of its proper divisors (2481440).

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

1985080 is a wasteful number, since it uses less digits than its factorization.

1985080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49638 (or 49634 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1985080 is about 1408.9286710121. The cubic root of 1985080 is about 125.6780223032.

The spelling of 1985080 in words is "one million, nine hundred eighty-five thousand, eighty".