1003454399 has 4 divisors (see below), whose sum is σ = 1003545600. Its totient is φ = 1003363200.

The previous prime is 1003454381. The next prime is 1003454401. The reversal of 1003454399 is 9934543001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1003454399 - 2²⁰ = 1002405823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003454329) 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, 26402 + ... + 51999.

It is an arithmetic number, because the mean of its divisors is an integer number (250886400).

Almost surely, 2^1003454399 is an apocalyptic number.

1003454399 is a deficient number, since it is larger than the sum of its proper divisors (91201).

1003454399 is an equidigital number, since it uses as much as digits as its factorization.

1003454399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91200.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1003454399 is about 31677.3483580934. The cubic root of 1003454399 is about 1001.1501429973.

The spelling of 1003454399 in words is "one billion, three million, four hundred fifty-four thousand, three hundred ninety-nine".