1003434421 has 16 divisors (see below), whose sum is σ = 1113850368. Its totient is φ = 896313600.

The previous prime is 1003434407. The next prime is 1003434433. The reversal of 1003434421 is 1244343001.

It is a cyclic number.

It is not a de Polignac number, because 1003434421 - 2²⁹ = 466563509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003434392 and 1003434401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003434121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223420 + ... + 227866.

It is an arithmetic number, because the mean of its divisors is an integer number (69615648).

Almost surely, 2^1003434421 is an apocalyptic number.

1003434421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003434421 is a deficient number, since it is larger than the sum of its proper divisors (110415947).

1003434421 is a wasteful number, since it uses less digits than its factorization.

1003434421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1003434421 is about 31677.0330207865. The cubic root of 1003434421 is about 1001.1434989118.

Adding to 1003434421 its reverse (1244343001), we get a palindrome (2247777422).

The spelling of 1003434421 in words is "one billion, three million, four hundred thirty-four thousand, four hundred twenty-one".