1398330983 has 6 divisors (see below), whose sum is σ = 1626629976. Its totient is φ = 1198569372.

The previous prime is 1398330949. The next prime is 1398331001. The reversal of 1398330983 is 3890338931.

It is a de Polignac number, because none of the positive numbers 2^k-1398330983 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 (1398330383) 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 5 ways as a sum of consecutive naturals, for example, 14268635 + ... + 14268732.

It is an arithmetic number, because the mean of its divisors is an integer number (271104996).

Almost surely, 2^1398330983 is an apocalyptic number.

1398330983 is a deficient number, since it is larger than the sum of its proper divisors (228298993).

1398330983 is an equidigital number, since it uses as much as digits as its factorization.

1398330983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28537381 (or 28537374 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 1398330983 is about 37394.2640387533. The cubic root of 1398330983 is about 1118.2442151015.

The spelling of 1398330983 in words is "one billion, three hundred ninety-eight million, three hundred thirty thousand, nine hundred eighty-three".