1003960 has 32 divisors (see below), whose sum is σ = 2379600. Its totient is φ = 380160.

The previous prime is 1003957. The next prime is 1003963. The reversal of 1003960 is 693001.

It is an interprime number because it is at equal distance from previous prime (1003957) and next prime (1003963).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003963) 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, 100 + ... + 1420.

2^1003960 is an apocalyptic number.

1003960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189800).

1003960 is an abundant number, since it is smaller than the sum of its proper divisors (1375640).

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

1003960 is a wasteful number, since it uses less digits than its factorization.

1003960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1003960 is about 1001.9780436716. The cubic root of 1003960 is about 100.1318261423.

Adding to 1003960 its reverse (693001), we get a palindrome (1696961).

The spelling of 1003960 in words is "one million, three thousand, nine hundred sixty".