1003912 has 48 divisors (see below), whose sum is σ = 2370060. Its totient is φ = 395136.

The previous prime is 1003909. The next prime is 1003913. The reversal of 1003912 is 2193001.

It can be written as a sum of positive squares in 2 ways, for example, as 988036 + 15876 = 994^2 + 126^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1003913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4998 + ... + 5194.

2^1003912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1185030).

1003912 is an abundant number, since it is smaller than the sum of its proper divisors (1366148).

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

1003912 is a wasteful number, since it uses less digits than its factorization.

1003912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1003912 is about 1001.9540907646. The cubic root of 1003912 is about 100.1302303270.

Adding to 1003912 its reverse (2193001), we get a palindrome (3196913).

The spelling of 1003912 in words is "one million, three thousand, nine hundred twelve".