1003320398 has 16 divisors (see below), whose sum is σ = 1571196960. Its totient is φ = 479609856.

The previous prime is 1003320397. The next prime is 1003320401. The reversal of 1003320398 is 8930233001.

It is a self number, because there is not a number n which added to its sum of digits gives 1003320398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003320397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118118 + ... + 126326.

It is an arithmetic number, because the mean of its divisors is an integer number (98199810).

Almost surely, 2^1003320398 is an apocalyptic number.

1003320398 is a deficient number, since it is larger than the sum of its proper divisors (567876562).

1003320398 is a wasteful number, since it uses less digits than its factorization.

1003320398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1003320398 is about 31675.2331956688. The cubic root of 1003320398 is about 1001.1055765833.

Adding to 1003320398 its reverse (8930233001), we get a palindrome (9933553399).

The spelling of 1003320398 in words is "one billion, three million, three hundred twenty thousand, three hundred ninety-eight".