1003342399 has 4 divisors (see below), whose sum is σ = 1003972264. Its totient is φ = 1002712536.

The previous prime is 1003342369. The next prime is 1003342427. The reversal of 1003342399 is 9932433001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003342399 - 2¹⁵ = 1003309631 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 (1003342369) 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, 312537 + ... + 315730.

It is an arithmetic number, because the mean of its divisors is an integer number (250993066).

Almost surely, 2^1003342399 is an apocalyptic number.

1003342399 is a deficient number, since it is larger than the sum of its proper divisors (629865).

1003342399 is an equidigital number, since it uses as much as digits as its factorization.

1003342399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629864.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 1003342399 is about 31675.5804840259. The cubic root of 1003342399 is about 1001.1128940075.

The spelling of 1003342399 in words is "one billion, three million, three hundred forty-two thousand, three hundred ninety-nine".