1043903448 has 144 divisors (see below), whose sum is σ = 3301155000. Its totient is φ = 297142272.

The previous prime is 1043903447. The next prime is 1043903489. The reversal of 1043903448 is 8443093401.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043903447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1583743 + ... + 1584401.

Almost surely, 2^1043903448 is an apocalyptic number.

1043903448 is a gapful number since it is divisible by the number (18) 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 1043903448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650577500).

1043903448 is an abundant number, since it is smaller than the sum of its proper divisors (2257251552).

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

1043903448 is a wasteful number, since it uses less digits than its factorization.

1043903448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1043903448 is about 32309.4947035697. The cubic root of 1043903448 is about 1014.4253901826.

Adding to 1043903448 its reverse (8443093401), we get a palindrome (9486996849).

The spelling of 1043903448 in words is "one billion, forty-three million, nine hundred three thousand, four hundred forty-eight".