1600980 has 24 divisors (see below), whose sum is σ = 4482912. Its totient is φ = 426912.

The previous prime is 1600969. The next prime is 1600981. The reversal of 1600980 is 890061.

It is a self number, because there is not a number n which added to its sum of digits gives 1600980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600981) 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 7 ways as a sum of consecutive naturals, for example, 13282 + ... + 13401.

It is an arithmetic number, because the mean of its divisors is an integer number (186788).

2^1600980 is an apocalyptic number.

1600980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600980 is an abundant number, since it is smaller than the sum of its proper divisors (2881932).

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

1600980 is a wasteful number, since it uses less digits than its factorization.

1600980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26695 (or 26693 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1600980 is about 1265.2983837815. The cubic root of 1600980 is about 116.9845841330.

The spelling of 1600980 in words is "one million, six hundred thousand, nine hundred eighty".