1003880 has 16 divisors (see below), whose sum is σ = 2258820. Its totient is φ = 401536.

The previous prime is 1003879. The next prime is 1003889. The reversal of 1003880 is 883001.

1003880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 972196 + 31684 = 986^2 + 178^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1003889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12509 + ... + 12588.

2^1003880 is an apocalyptic number.

1003880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003880 is an abundant number, since it is smaller than the sum of its proper divisors (1254940).

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

1003880 is a wasteful number, since it uses less digits than its factorization.

1003880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25108 (or 25104 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1003880 is about 1001.9381218419. The cubic root of 1003880 is about 100.1291664219.

Adding to 1003880 its reverse (883001), we get a palindrome (1886881).

The spelling of 1003880 in words is "one million, three thousand, eight hundred eighty".