803780 has 12 divisors (see below), whose sum is σ = 1687980. Its totient is φ = 321504.

The previous prime is 803749. The next prime is 803813. The reversal of 803780 is 87308.

It can be written as a sum of positive squares in 2 ways, for example, as 111556 + 692224 = 334^2 + 832^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

803780 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20075 + ... + 20114.

It is an arithmetic number, because the mean of its divisors is an integer number (140665).

2⁸⁰³⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

803780 is an abundant number, since it is smaller than the sum of its proper divisors (884200).

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

803780 is a wasteful number, since it uses less digits than its factorization.

803780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40198 (or 40196 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 803780 is about 896.5377850375. The cubic root of 803780 is about 92.9777570423.

The spelling of 803780 in words is "eight hundred three thousand, seven hundred eighty".